Prevent autoflake to clean imports in module init files

Author: fyhertz

openapi_python_client/__init__.py

@@ -76,7 +76,7 @@ def update(self) -> Sequence[GeneratorError]:
 
     def _reformat(self) -> None:
         subprocess.run(
-            "autoflake -i -r --remove-all-unused-imports --remove-unused-variables .",
+            "autoflake -i -r --remove-all-unused-imports --remove-unused-variables --ignore-init-module-imports .",
             cwd=self.package_dir,
             shell=True,
             stdout=subprocess.PIPE,