Address review comments

.lintrunner.toml

@@ -316,5 +316,5 @@ init_command = [
     'run',
     'pip_init',
     '--dry-run={{DRYRUN}}',
-    'refurb==1.10.0',
+    'refurb==1.10.0;python_version>="3.10"',
 ]

lintrunner_adapters/adapters/flake8_linter.py

@@ -134,7 +134,7 @@ def get_issue_severity(code: str) -> LintSeverity:
     # "T49": internal type checker errors or unmatched messages
     if any(
         code.startswith(x)
-        for x in [
+        for x in (
             "B9",
             "C4",
             "C9",
@@ -143,13 +143,13 @@ def get_issue_severity(code: str) -> LintSeverity:
             "E5",
             "T400",
             "T49",
-        ]
+        )
     ):
         return LintSeverity.ADVICE
 
     # "F821": Undefined name
     # "E999": syntax error
-    if any(code.startswith(x) for x in ["F821", "E999"]):
+    if any(code.startswith(x) for x in ("F821", "E999")):
         return LintSeverity.ERROR
 
     # "F": PyFlakes Error

lintrunner_adapters/adapters/newlines_linter.py

@@ -21,11 +21,11 @@ def check_file(filename: str) -> LintMessage | None:
     with open(filename, "rb") as f:
         lines = f.readlines()
 
-    if len(lines) == 0:
+    if not lines:
         # File is empty, just leave it alone.
         return None
 
-    if len(lines) == 1 and len(lines[0]) == 1:
+    if len(lines) == len(lines[0]) == 1:
         # file is wrong whether or not the only byte is a newline
         return LintMessage(
             path=filename,
@@ -77,7 +77,7 @@ def check_file(filename: str) -> LintMessage | None:
     for idx, line in enumerate(lines):
         if len(line) >= 2 and line[-1] == NEWLINE and line[-2] == CARRIAGE_RETURN:
             if not has_changes:
-                original_lines = list(lines)
+                original_lines = lines.copy()
                 has_changes = True
             lines[idx] = line[:-2] + b"\n"
 

pyproject.toml

@@ -76,3 +76,4 @@ disable = [
 
 [tool.refurb]
 python_version = "3.7"
+disable = ["FURB101", "FURB150"] # disable suggestions using pathlib