Update app.py

app.py

@@ -75,15 +75,14 @@ def preprocess_text(text):
 def upload_files(files):
     try:
         for file in files:
-            if isinstance(file, str):  # Assuming `file` is a string (file path)
-                if file.endswith('.pdf'):
-                    text = extract_text_from_pdf(file)
-                elif file.endswith('.docx'):
-                    text = extract_text_from_docx(file)
-                else:
-                    return {"error": "Unsupported file format"}
+            file_path = file.name  # Assuming `file` is a Gradio File object
+            
+            if file_path.endswith('.pdf'):
+                text = extract_text_from_pdf(file_path)
+            elif file_path.endswith('.docx'):
+                text = extract_text_from_docx(file_path)
             else:
-                return {"error": "Invalid file format: expected a string"}
+                return {"error": f"Unsupported file format: {file_path}"}
 
             # Preprocess text
             sentences = preprocess_text(text)
@@ -103,6 +102,7 @@ def upload_files(files):
         print(f"Error processing files: {e}")
         return {"error": str(e)}  # Provide informative error message
 
+
 def process_and_query(state, files, question):
     if files:
         upload_result = upload_files(files)