fix: resolve CI/CD issues - remove unused imports and fix type mismatches

src/parsers/base.py

@@ -51,11 +51,11 @@ class BaseParser(ABC):
         pass
 
     @abstractmethod
-    def extract_imports(self, tree, file_path: Path) -> list[str]:
+    def extract_imports(self, content: str) -> list[str]:
         pass
 
     @abstractmethod
-    def extract_calls(self, tree, file_path: Path) -> list[str]:
+    def extract_calls(self, content: str) -> list[str]:
         pass
 
     @classmethod