diff --git a/api/analyzers/analyzer.py b/api/analyzers/analyzer.py
index 9e458d5..ce3f3ce 100644
--- a/api/analyzers/analyzer.py
+++ b/api/analyzers/analyzer.py
@@ -25,5 +25,4 @@ def second_pass(self, path: Path, f: io.TextIOWrapper) -> None:
             f (io.TextIOWrapper): The file handle of the file to be processed.
         """
 
-        pass
-
+        pass
\ No newline at end of file
diff --git a/api/analyzers/c/analyzer.py b/api/analyzers/c/analyzer.py
index f5639cf..ae7ac8a 100644
--- a/api/analyzers/c/analyzer.py
+++ b/api/analyzers/c/analyzer.py
@@ -1,18 +1,18 @@
 import io
 import os
-from ..utils import *
 from pathlib import Path
+import logging
+import tree_sitter_c as tsc
+from tree_sitter import Language, Parser, Node
+from typing import Optional
+
+from ..utils import *
 from ...entities import *
 from ...graph import Graph
-from typing import Union, Optional
 from ..analyzer import AbstractAnalyzer
 
-import tree_sitter_c as tsc
-from tree_sitter import Language, Parser, Node
-
 C_LANGUAGE = Language(tsc.language())
 
-import logging
 logger = logging.getLogger('code_graph')
 
 class CAnalyzer(AbstractAnalyzer):
diff --git a/api/analyzers/python/analyzer.py b/api/analyzers/python/analyzer.py
index 5376139..841dc6a 100644
--- a/api/analyzers/python/analyzer.py
+++ b/api/analyzers/python/analyzer.py
@@ -222,10 +222,10 @@ def first_pass(self, path: Path, f: io.TextIOWrapper, graph:Graph) -> None:
         """
 
         if path.suffix != '.py':
-            logger.debug(f"Skipping none Python file {path}")
+            logger.debug("Skipping none Python file %s", path)
             return
 
-        logger.info(f"Python Processing {path}")
+        logger.info("Python Processing %s", path)
 
         # Create file entity
         file = File(os.path.dirname(path), path.name, path.suffix)
@@ -281,7 +281,7 @@ def process_function_call(self, node) -> Optional[str]:
             logger.warning("Unknown function call pattern")
             return None
 
-        logger.debug(f"callee_name: {callee_name}")
+        logger.debug("callee_name: %s", callee_name)
         return callee_name
 
     def process_call_node(self, caller: Union[Function, File], callee_name: str,
diff --git a/api/entities/struct.py b/api/entities/struct.py
index 37d7cad..b950e81 100644
--- a/api/entities/struct.py
+++ b/api/entities/struct.py
@@ -1,4 +1,5 @@
 from typing import Optional
+from typing import List
 
 class Struct():
     """
diff --git a/tests/source_files/py/src.py b/tests/source_files/py/src.py
index 8e1e19d..775b56d 100644
--- a/tests/source_files/py/src.py
+++ b/tests/source_files/py/src.py
@@ -1,3 +1,5 @@
+from typing import Task
+
 def log(msg: str) -> None:
     print(f'msg: {msg}')