Update app.py

app.py

@@ -1495,7 +1495,7 @@ class DocumentationAnalyzer:
 
     def _analyze_doc_directory(self, directory: str) -> List[str]:
         """Analyze a dedicated documentation directory (if present)."""
-      doc_files = []
+        doc_files = []
         try:
             contents = self.repo.get_contents(directory)
             for content in contents: