Fixed stray reno and added script to check the same

.github/workflows/main.yml

@@ -40,6 +40,8 @@ jobs:
         run: black --check --diff retworkx rustworkx retworkx tests
       - name: Python Lint
         run: flake8 --per-file-ignores='retworkx/__init__.py:F405,F403' setup.py retworkx tests rustworkx
+      - name: Check stray release notes
+        run: python tools/find_stray_release_notes.py
       - name: rustworkx-core Rust Tests
         run: pushd rustworkx-core && cargo test && popd
       - name: rustworkx-core Docs

releasenotes/notes/0.11/prepare-0.11-af688e532712c830.yaml

@@ -67,3 +67,14 @@ features:
 
         [{'color': 'turquoise', 'size': 'extra large', '__networkx_node__': 'A'}, {'color': 'fuschia', 'size': 'tiny', '__networkx_node__': 'B'}]
         WeightedEdgeList[(0, 1, {})]
+
+fixes:
+  - |
+    Fixed an issue with the :func:`~retworkx.generators.heavy_hex_graph`,
+    :func:`~retworkx.generators.directed_heavy_hex_graph`,
+    :func:`~retworkx.generators.heavy_square_graph`,
+    and :func:`~retworkx.generators.directed_heavy_square_graph` generator
+    functions. When the input parameter ``d`` was set to 1 these functions
+    would previously raise a ``pyo3_runtime.PanicException`` instead of
+    returning the expected graph (a single node). 
+    Fixed `#452 <https://github.com/Qiskit/retworkx/issues/452>`__

tools/find_stray_release_notes.py

@@ -0,0 +1,53 @@
+# This code is licensed under the Apache License, Version 2.0. You may
+# obtain a copy of this license in the LICENSE.txt file in the root directory
+# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
+#
+# Any modifications or derivative works of this code must retain this
+# copyright notice, and modified files need to carry a notice indicating
+# that they have been altered from the originals.
+
+"""Utility script to find any stray release notes."""
+
+import argparse
+import multiprocessing
+import subprocess
+import sys
+import re
+
+# release notes regex
+reno = re.compile(r"releasenotes\/notes")
+# exact release note regex
+exact_reno = re.compile(r"^releasenotes\/notes")
+
+
+def discover_files():
+    """Find all .py, .pyx, .pxd files in a list of trees"""
+    cmd = ["git", "ls-tree", "-r", "--name-only", "HEAD"]
+    res = subprocess.run(cmd, capture_output=True, check=True, encoding="UTF8")
+    files = res.stdout.split("\n")
+    return files
+
+
+def validate_path(file_path):
+    """Validate a path in the git tree."""
+    if reno.search(file_path) and not exact_reno.search(file_path):
+        return file_path
+    return None
+
+
+def _main():
+    parser = argparse.ArgumentParser(description="Find any stray release notes.")
+    _args = parser.parse_args()
+    files = discover_files()
+    with multiprocessing.Pool() as pool:
+        res = pool.map(validate_path, files)
+    failed_files = [x for x in res if x is not None]
+    if len(failed_files) > 0:
+        for failed_file in failed_files:
+            sys.stderr.write("%s is not in the correct location.\n" % failed_file)
+        sys.exit(1)
+    sys.exit(0)
+
+
+if __name__ == "__main__":
+    _main()

tox.ini

@@ -53,6 +53,7 @@ commands =
   black --check --diff {posargs} '../rustworkx' '../tests' '../retworkx'
   flake8 --per-file-ignores='../rustworkx/__init__.py:F405,F403' ../setup.py ../rustworkx ../retworkx .
   cargo fmt --all -- --check
+  python {toxinidir}/tools/find_stray_release_notes.py
 
 [testenv:docs]
 basepython = python3