Fixed unset token variable

Author: Zeviraty

src/gitfetch/fetcher.py

@@ -79,7 +79,6 @@ def _build_contribution_graph_from_git(repo_path: str = ".") -> list:
             result = subprocess.run(
                 ['git', 'log', '--pretty=format:%ai', '--all'],
                 capture_output=True, text=True, cwd=repo_path,
-                env={**os.environ, 'GH_TOKEN': os.getenv('GH_TOKEN')}
             )
             if result.returncode != 0:
                 return []
@@ -217,7 +216,7 @@ def _gh_api(self, endpoint: str, method: str = "GET") -> Any:
                 capture_output=True,
                 text=True,
                 timeout=30,
-                env={**os.environ, 'GH_TOKEN': os.getenv('GH_TOKEN')}
+                env={'GH_TOKEN': self.token} if self.token != None else {}
             )
             if result.returncode != 0:
                 raise Exception(f"gh api failed: {result.stderr}")
@@ -442,7 +441,7 @@ def _search_items(self, query: str, per_page: int = 5) -> Dict[str, Any]:
                 capture_output=True,
                 text=True,
                 timeout=30,
-                env={**os.environ, 'GH_TOKEN': os.getenv('GH_TOKEN')}
+                env={'GH_TOKEN': self.token} if self.token != None else {}
             )
             if result.returncode != 0:
                 return {'total_count': 0, 'items': []}
@@ -554,7 +553,7 @@ def _fetch_contribution_graph(self, username: str) -> list:
                 capture_output=True,
                 text=True,
                 timeout=30,
-                env={**os.environ, 'GH_TOKEN': os.getenv('GH_TOKEN')}
+                env={'GH_TOKEN': self.token} if self.token != None else {}
             )
 
             if result.returncode != 0:
@@ -647,7 +646,7 @@ def _api_request(self, endpoint: str) -> Any:
                 capture_output=True,
                 text=True,
                 timeout=30,
-                env={**os.environ, 'GH_TOKEN': os.getenv('GH_TOKEN')}
+                env={'GH_TOKEN': self.token} if self.token != None else {}
             )
             if result.returncode != 0:
                 raise Exception(f"API request failed: {result.stderr}")