diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index afd722b..9ae99c4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,26 +1,30 @@
 name: CI
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
 
 jobs:
-  ci:
-    strategy:
-      fail-fast: false
-      matrix:
-        python-version: ["3.8", "3.9", "3.10"]
-        os: [ubuntu-latest]
-    runs-on: ${{ matrix.os }}
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+
     steps:
-      - uses: actions/checkout@v3
-      - name: Install poetry
-        run: pipx install poetry
-      - uses: actions/setup-python@v4
-        with:
-          python-version: ${{ matrix.python-version }}
-          cache: "poetry"
-      - name: Install
-        run: |
-          poetry install
-          poetry run pre-commit install
-      - name: Lint
+      - uses: actions/checkout@v4
+
+      - name: Install Rye
         run: |
-          poetry run pre-commit run --files .pre-commit-config.yaml
+          curl -sSf https://rye.astral.sh/get | bash
+          echo "$HOME/.rye/shims" >> $GITHUB_PATH
+        env:
+          RYE_VERSION: 0.24.0
+          RYE_INSTALL_OPTION: "--yes"
+
+      - name: Install dependencies
+        run: rye sync --all-features
+
+      - name: Run lints
+        run: pre-commit
diff --git a/bin/publish-pypi b/bin/publish-pypi
old mode 100644
new mode 100755
diff --git a/example/decompiled/01_decompiled_example_variables.py b/example/decompiled/01_decompiled_example_variables.py
index 8691005..0c085a9 100644
--- a/example/decompiled/01_decompiled_example_variables.py
+++ b/example/decompiled/01_decompiled_example_variables.py
@@ -1,11 +1,11 @@
-name = 'John Doe'
+name = "John Doe"
 age = 30
 height = 6.1
 age_next_year = age + 1
 half_height = height / 2
 
-print('Name:', name)
-print('Age:', age)
-print('Height:', height, 'feet')
-print('Age next year:', age_next_year)
-print('Half height:', half_height, 'feet')
\ No newline at end of file
+print("Name:", name)
+print("Age:", age)
+print("Height:", height, "feet")
+print("Age next year:", age_next_year)
+print("Half height:", half_height, "feet")
diff --git a/example/decompiled/02_decompiled_example_data_types.py b/example/decompiled/02_decompiled_example_data_types.py
index d3a333f..822da16 100644
--- a/example/decompiled/02_decompiled_example_data_types.py
+++ b/example/decompiled/02_decompiled_example_data_types.py
@@ -1,17 +1,17 @@
 integer_example = 42
 float_example = 3.14
-string_example = 'Hello, World!'
+string_example = "Hello, World!"
 list_example = [1, 2, 3, 4, 5]
-tuple_example = (1, 'apple', 3.14)
-dict_example = {'name': 'John Doe', 'age': 30, 'city': 'New York'}
+tuple_example = (1, "apple", 3.14)
+dict_example = {"name": "John Doe", "age": 30, "city": "New York"}
 set_example = {1, 2, 3, 4, 5}.union(frozenset({1, 2, 3, 4, 5}))
 bool_example = True
 
-print('Integer:', integer_example)
-print('Float:', float_example)
-print('String:', string_example)
-print('List:', list_example)
-print('Tuple:', tuple_example)
-print('Dictionary:', dict_example)
-print('Set:', set_example)
-print('Boolean:', bool_example)
\ No newline at end of file
+print("Integer:", integer_example)
+print("Float:", float_example)
+print("String:", string_example)
+print("List:", list_example)
+print("Tuple:", tuple_example)
+print("Dictionary:", dict_example)
+print("Set:", set_example)
+print("Boolean:", bool_example)
diff --git a/example/decompiled/03_decompiled_example_if_else.py b/example/decompiled/03_decompiled_example_if_else.py
index 0e08f3d..062413c 100644
--- a/example/decompiled/03_decompiled_example_if_else.py
+++ b/example/decompiled/03_decompiled_example_if_else.py
@@ -1,19 +1,19 @@
 age = 25
-country = 'USA'
-job_status = 'employed'
-favorite_color = 'blue'
+country = "USA"
+job_status = "employed"
+favorite_color = "blue"
 
-if age < 18 or (country == 'USA' and favorite_color == 'blue'):
-    if job_status == 'employed':
-        print('Minor or USA + blue, employed.')
+if age < 18 or (country == "USA" and favorite_color == "blue"):
+    if job_status == "employed":
+        print("Minor or USA + blue, employed.")
     else:
-        print('Minor or USA + blue, unemployed.')
+        print("Minor or USA + blue, unemployed.")
 else:
-    if job_status == 'employed':
-        if country != 'USA' or favorite_color != 'blue':
-            print('Not minor, not USA + blue, employed.')
+    if job_status == "employed":
+        if country != "USA" or favorite_color != "blue":
+            print("Not minor, not USA + blue, employed.")
     else:
-        if country != 'USA' or favorite_color != 'blue':
-            print('Not minor, not USA + blue, unemployed.')
+        if country != "USA" or favorite_color != "blue":
+            print("Not minor, not USA + blue, unemployed.")
         else:
-            print('Not minor, not USA + blue, other status.')
\ No newline at end of file
+            print("Not minor, not USA + blue, other status.")
diff --git a/example/decompiled/04_decompiled_example_loops.py b/example/decompiled/04_decompiled_example_loops.py
index fcb4be1..6203672 100644
--- a/example/decompiled/04_decompiled_example_loops.py
+++ b/example/decompiled/04_decompiled_example_loops.py
@@ -1,13 +1,13 @@
-fruits = ('apple', 'banana', 'orange', 'grape')
+fruits = ("apple", "banana", "orange", "grape")
 for fruit in fruits:
-    print('Current fruit: {}'.format(fruit))
+    print("Current fruit: {}".format(fruit))
 for i in range(5):
-    print('Current value of i: {}'.format(i))
+    print("Current value of i: {}".format(i))
 count = 0
 while count < 5:
-    print('Current count: {}'.format(count))
+    print("Current count: {}".format(count))
     count += 1
 for i in range(3):
-    print('Outer loop, i: {}'.format(i))
+    print("Outer loop, i: {}".format(i))
     for j in range(2):
-        print('  Inner loop, j: {}'.format(j))
\ No newline at end of file
+        print("  Inner loop, j: {}".format(j))
diff --git a/example/decompiled/05_decompiled_example_list_comprehensions.py b/example/decompiled/05_decompiled_example_list_comprehensions.py
index e01ab9e..fca28d0 100644
--- a/example/decompiled/05_decompiled_example_list_comprehensions.py
+++ b/example/decompiled/05_decompiled_example_list_comprehensions.py
@@ -6,4 +6,4 @@
 
 matrix = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]
 transpose = [[row[i] for row in matrix] for i in range(len(matrix))]
-print(transpose)
\ No newline at end of file
+print(transpose)
diff --git a/example/decompiled/06_decompiled_example_functions.py b/example/decompiled/06_decompiled_example_functions.py
index 2f8845a..ea2bf92 100644
--- a/example/decompiled/06_decompiled_example_functions.py
+++ b/example/decompiled/06_decompiled_example_functions.py
@@ -1,5 +1,6 @@
 global_var = "I'm a global variable"
 
+
 def outer_function():
     outer_local_var = "I'm a local variable in the outer function"
 
@@ -13,19 +14,21 @@ def inner_function():
     print("Outer function: ", global_var)
     inner_function()
 
+
 def calculate(operation, a, b):
-    if operation == 'add':
+    if operation == "add":
         return a + b
-    elif operation == 'subtract':
+    elif operation == "subtract":
         return a - b
-    elif operation == 'multiply':
+    elif operation == "multiply":
         return a * b
-    elif operation == 'divide':
+    elif operation == "divide":
         return a / b
     else:
         return None
 
+
 multiply = lambda x, y: x * y
 
-print(calculate('add', 4, 5))
-print(multiply(3, 4))
\ No newline at end of file
+print(calculate("add", 4, 5))
+print(multiply(3, 4))
diff --git a/example/decompiled/07_decompiled_example_classes_objects.py b/example/decompiled/07_decompiled_example_classes_objects.py
index 35786ac..eb232ed 100644
--- a/example/decompiled/07_decompiled_example_classes_objects.py
+++ b/example/decompiled/07_decompiled_example_classes_objects.py
@@ -47,4 +47,4 @@ def describe_color(self):
 
 cat.speak()
 cat.describe()
-cat.describe_color()
\ No newline at end of file
+cat.describe_color()
diff --git a/example/decompiled/08_decompiled_example_modules_packages.py b/example/decompiled/08_decompiled_example_modules_packages.py
index 6f63acb..891c38c 100644
--- a/example/decompiled/08_decompiled_example_modules_packages.py
+++ b/example/decompiled/08_decompiled_example_modules_packages.py
@@ -1,13 +1,15 @@
 from animals.mammals import get_mammals, get_mammal_info
 
+
 def main():
     mammals = get_mammals()
-    print('Mammals:')
+    print("Mammals:")
     for mammal in mammals:
         print(mammal)
-    print('\nMammal info:')
+    print("\nMammal info:")
     for mammal in mammals:
         print(get_mammal_info(mammal))
 
-if __name__ == '__main__':
-    main()
\ No newline at end of file
+
+if __name__ == "__main__":
+    main()
diff --git a/example/decompiled/09_decompiled_example_exceptioins.py b/example/decompiled/09_decompiled_example_exceptioins.py
index 01535d0..7efab2f 100644
--- a/example/decompiled/09_decompiled_example_exceptioins.py
+++ b/example/decompiled/09_decompiled_example_exceptioins.py
@@ -2,9 +2,10 @@ def divide(a, b):
     try:
         result = a / b
     except ZeroDivisionError:
-        print('Cannot divide by zero.')
+        print("Cannot divide by zero.")
     else:
-        print(f'{a} divided by {b} is {result}')
+        print(f"{a} divided by {b} is {result}")
+
 
 def safe_conversion(value, to_int=True):
     try:
@@ -13,37 +14,40 @@ def safe_conversion(value, to_int=True):
         else:
             converted = float(value)
     except ValueError:
-        print(f'Invalid value: {value}')
+        print(f"Invalid value: {value}")
     except TypeError:
-        print(f'Unsupported type: {type(value).__name__}')
+        print(f"Unsupported type: {type(value).__name__}")
     else:
-        print(f'Converted {value} to {converted}')
+        print(f"Converted {value} to {converted}")
+
 
 def read_file(file_name):
     try:
-        file = open(file_name, 'r')
+        file = open(file_name, "r")
     except FileNotFoundError:
-        print('File not found.')
+        print("File not found.")
     else:
         content = file.read()
-        print(f'File content:\n{content}')
+        print(f"File content:\n{content}")
         try:
-            locals()['file']
+            locals()["file"]
         except KeyError:
             pass
         else:
             if not file.closed:
                 file.close()
-                print('File closed.')
+                print("File closed.")
             raise
 
+
 class InvalidAgeError(ValueError):
     pass
 
+
 def check_age(age):
     if age < 0:
-        raise InvalidAgeError('Age cannot be negative.')
+        raise InvalidAgeError("Age cannot be negative.")
     elif age > 120:
-        raise InvalidAgeError('Age is too high.')
+        raise InvalidAgeError("Age is too high.")
     else:
-        print('Age is valid.')
\ No newline at end of file
+        print("Age is valid.")
diff --git a/example/decompiled/10_decompiled_example_file_io.py b/example/decompiled/10_decompiled_example_file_io.py
index cc86508..95697fb 100644
--- a/example/decompiled/10_decompiled_example_file_io.py
+++ b/example/decompiled/10_decompiled_example_file_io.py
@@ -1,47 +1,47 @@
-file_name = 'example.txt'
+file_name = "example.txt"
 
-with open(file_name, 'r') as file:
+with open(file_name, "r") as file:
     content = file.read()
 
-print('File content:\n{}'.format(content))
+print("File content:\n{}".format(content))
 
 try:
-    with open('output.txt', 'w') as file:
-        content = 'Hello, World!'
+    with open("output.txt", "w") as file:
+        content = "Hello, World!"
         file.write(content)
 
-    print('Wrote content to {}'.format(file_name))
+    print("Wrote content to {}".format(file_name))
 except:
     pass
 
 try:
-    with open('log.txt', 'a') as file:
-        log_entry = 'This is a log entry.'
-        file.write('{}\n'.format(log_entry))
+    with open("log.txt", "a") as file:
+        log_entry = "This is a log entry."
+        file.write("{}\n".format(log_entry))
 
-    print('Appended log entry to {}'.format(file_name))
+    print("Appended log entry to {}".format(file_name))
 except:
     pass
 
-file_name = 'example.txt'
+file_name = "example.txt"
 
-print('Reading {} line by line:'.format(file_name))
-with open(file_name, 'r') as file:
+print("Reading {} line by line:".format(file_name))
+with open(file_name, "r") as file:
     for line in file:
         print(line.strip())
 
 import json
 
-file_name = 'data.json'
-data = {'name': 'John', 'age': 30, 'city': 'New York'}
+file_name = "data.json"
+data = {"name": "John", "age": 30, "city": "New York"}
 
-with open(file_name, 'w') as file:
+with open(file_name, "w") as file:
     json.dump(data, file)
 
-print('Wrote JSON data to {}'.format(file_name))
+print("Wrote JSON data to {}".format(file_name))
 
-with open(file_name, 'r') as file:
+with open(file_name, "r") as file:
     loaded_data = json.load(file)
 
-print('Read JSON data from {}:'.format(file_name))
-print(loaded_data)
\ No newline at end of file
+print("Read JSON data from {}:".format(file_name))
+print(loaded_data)
diff --git a/example/decompiled/11_decompiled_example_std_library.py b/example/decompiled/11_decompiled_example_std_library.py
index a6ffeaf..0bbacf4 100644
--- a/example/decompiled/11_decompiled_example_std_library.py
+++ b/example/decompiled/11_decompiled_example_std_library.py
@@ -4,47 +4,47 @@
 import tempfile
 
 cwd = os.getcwd()
-print('Current working directory: {0}'.format(cwd))
+print("Current working directory: {0}".format(cwd))
 
-print('Files and directories in the current directory:')
+print("Files and directories in the current directory:")
 for item in os.listdir(cwd):
     print(item)
 
-new_dir = 'example_directory'
+new_dir = "example_directory"
 os.makedirs(new_dir, exist_ok=True)
-print('Created new directory: {0}'.format(new_dir))
+print("Created new directory: {0}".format(new_dir))
 
-new_name = 'renamed_directory'
+new_name = "renamed_directory"
 os.rename(new_dir, new_name)
-print('Renamed directory from {0} to {1}'.format(new_dir, new_name))
+print("Renamed directory from {0} to {1}".format(new_dir, new_name))
 
 os.rmdir(new_name)
-print('Removed directory: {0}'.format(new_name))
+print("Removed directory: {0}".format(new_name))
 
-src_file = 'source.txt'
-dst_file = 'destination.txt'
+src_file = "source.txt"
+dst_file = "destination.txt"
 shutil.copy(src_file, dst_file)
-print('Copied {0} to {1}'.format(src_file, dst_file))
+print("Copied {0} to {1}".format(src_file, dst_file))
 
-new_location = 'moved.txt'
+new_location = "moved.txt"
 shutil.move(dst_file, new_location)
-print('Moved {0} to {1}'.format(dst_file, new_location))
+print("Moved {0} to {1}".format(dst_file, new_location))
 
 os.remove(new_location)
-print('Removed file: {0}'.format(new_location))
+print("Removed file: {0}".format(new_location))
 
-print('Python files in the current directory:')
-for py_file in glob.glob('*.py'):
+print("Python files in the current directory:")
+for py_file in glob.glob("*.py"):
     print(py_file)
 
-with tempfile.NamedTemporaryFile('w+t', delete=False) as temp_file:
-    temp_file.write('Hello, World!')
+with tempfile.NamedTemporaryFile("w+t", delete=False) as temp_file:
+    temp_file.write("Hello, World!")
     temp_path = temp_file.name
-    print('Created temporary file: {0}'.format(temp_path))
+    print("Created temporary file: {0}".format(temp_path))
 
-with open(temp_path, 'r') as temp_file:
+with open(temp_path, "r") as temp_file:
     content = temp_file.read()
-    print('Content of the temporary file: {0}'.format(content))
+    print("Content of the temporary file: {0}".format(content))
 
 os.remove(temp_path)
-print('Removed temporary file: {0}'.format(temp_path))
\ No newline at end of file
+print("Removed temporary file: {0}".format(temp_path))
diff --git a/example/python/02_example_data_types.py b/example/python/02_example_data_types.py
index 69bcb41..7813405 100644
--- a/example/python/02_example_data_types.py
+++ b/example/python/02_example_data_types.py
@@ -14,11 +14,7 @@
 tuple_example = (1, "apple", 3.14)
 
 # Dictionary
-dict_example = {
-    "name": "John Doe",
-    "age": 30,
-    "city": "New York"
-}
+dict_example = {"name": "John Doe", "age": 30, "city": "New York"}
 
 # Set
 set_example = {1, 2, 3, 4, 5}
diff --git a/example/python/06_example_functions.py b/example/python/06_example_functions.py
index 6ca603c..bb4db69 100644
--- a/example/python/06_example_functions.py
+++ b/example/python/06_example_functions.py
@@ -1,5 +1,6 @@
 global_var = "I'm a global variable"
 
+
 def outer_function():
     outer_local_var = "I'm a local variable in the outer function"
 
@@ -15,6 +16,7 @@ def inner_function():
 
     inner_function()
 
+
 def calculate(operation, a, b):
     if operation == "add":
         return a + b
@@ -27,6 +29,7 @@ def calculate(operation, a, b):
     else:
         return None
 
+
 # Test the outer_function
 outer_function()
 
diff --git a/example/python/08_example_modules_packages.py b/example/python/08_example_modules_packages.py
index 6b13451..95ab4e6 100644
--- a/example/python/08_example_modules_packages.py
+++ b/example/python/08_example_modules_packages.py
@@ -1,5 +1,6 @@
 from animals.mammals import get_mammals, get_mammal_info
 
+
 def main():
     mammals = get_mammals()
     print("Mammals:")
@@ -10,5 +11,6 @@ def main():
     for mammal in mammals:
         print(get_mammal_info(mammal))
 
+
 if __name__ == "__main__":
     main()
diff --git a/pyproject.toml b/pyproject.toml
index 95f13de..4bf2880 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,8 @@
 [project]
 name = "pychd"
-version = "0.1.0"
-description = "Add your description here"
+version = "0.2.0"
+description = "The ChatGPT-powered decompiler for Python, providing superior code analysis capabilities"
+readme = "README.md"
 authors = [
     { name = "卍diohabara卍", email = "diohabara@users.noreply.github.com" }
 ]
@@ -9,19 +10,24 @@ dependencies = [
     "openai>=1.35.3",
     "xdis>=6.1.0",
 ]
-readme = "README.md"
 requires-python = ">= 3.12"
 
-[build-system]
-requires = ["hatchling"]
-build-backend = "hatchling.build"
+[project.scripts]
+openai = "pychd.cli:main"
 
 [tool.rye]
 managed = true
-dev-dependencies = []
+# version pins are in requirements-dev.lock
+dev-dependencies = [
+    "pyright>=1.1.359",
+    "mypy",
+    "respx",
+    "pytest",
+    "ruff",
+]
 
 [tool.hatch.metadata]
 allow-direct-references = true
 
 [tool.hatch.build.targets.wheel]
-packages = ["src/pychd"]
+packages = ["ychd"]
diff --git a/requirements-dev.lock b/requirements-dev.lock
index 39c9b0e..9faf83b 100644
--- a/requirements-dev.lock
+++ b/requirements-dev.lock
@@ -9,48 +9,36 @@
 #   generate-hashes: false
 
 -e file:.
-annotated-types==0.7.0
-    # via pydantic
-anyio==4.4.0
-    # via httpx
-    # via openai
-certifi==2024.6.2
-    # via httpcore
-    # via httpx
+black==24.4.2
+cfgv==3.4.0
+    # via pre-commit
 click==8.1.7
-    # via xdis
-distro==1.9.0
-    # via openai
-h11==0.14.0
-    # via httpcore
-httpcore==1.0.5
-    # via httpx
-httpx==0.27.0
-    # via openai
-idna==3.7
-    # via anyio
-    # via httpx
-openai==1.35.3
-    # via pychd
-pydantic==2.7.4
-    # via openai
-pydantic-core==2.18.4
-    # via pydantic
-pygments==2.18.0
-    # via xdis
-six==1.16.0
-    # via xdis
-sniffio==1.3.1
-    # via anyio
-    # via httpx
-    # via openai
-term-background==1.0.1
-    # via xdis
-tqdm==4.66.4
-    # via openai
+    # via black
+distlib==0.3.8
+    # via virtualenv
+filelock==3.15.4
+    # via virtualenv
+identify==2.5.36
+    # via pre-commit
+isort==5.13.2
+mypy==1.10.0
+mypy-extensions==1.0.0
+    # via black
+    # via mypy
+nodeenv==1.9.1
+    # via pre-commit
+packaging==24.1
+    # via black
+pathspec==0.12.1
+    # via black
+platformdirs==4.2.2
+    # via black
+    # via virtualenv
+pre-commit==3.7.1
+pyyaml==6.0.1
+    # via pre-commit
+ruff==0.4.10
 typing-extensions==4.12.2
-    # via openai
-    # via pydantic
-    # via pydantic-core
-xdis==6.1.0
-    # via pychd
+    # via mypy
+virtualenv==20.26.3
+    # via pre-commit
diff --git a/requirements.lock b/requirements.lock
index 39c9b0e..cf03c37 100644
--- a/requirements.lock
+++ b/requirements.lock
@@ -9,48 +9,3 @@
 #   generate-hashes: false
 
 -e file:.
-annotated-types==0.7.0
-    # via pydantic
-anyio==4.4.0
-    # via httpx
-    # via openai
-certifi==2024.6.2
-    # via httpcore
-    # via httpx
-click==8.1.7
-    # via xdis
-distro==1.9.0
-    # via openai
-h11==0.14.0
-    # via httpcore
-httpcore==1.0.5
-    # via httpx
-httpx==0.27.0
-    # via openai
-idna==3.7
-    # via anyio
-    # via httpx
-openai==1.35.3
-    # via pychd
-pydantic==2.7.4
-    # via openai
-pydantic-core==2.18.4
-    # via pydantic
-pygments==2.18.0
-    # via xdis
-six==1.16.0
-    # via xdis
-sniffio==1.3.1
-    # via anyio
-    # via httpx
-    # via openai
-term-background==1.0.1
-    # via xdis
-tqdm==4.66.4
-    # via openai
-typing-extensions==4.12.2
-    # via openai
-    # via pydantic
-    # via pydantic-core
-xdis==6.1.0
-    # via pychd