Update src/streamlit_app.py

src/streamlit_app.py

@@ -92,7 +92,6 @@ st.set_page_config(
 # Backend API URL (your HF backend)
 API_BASE_URL = os.environ.get("API_BASE_URL", "https://hamza4100-multi-pdf-rag-api.hf.space")
 
-
 # Pre-configured API keys that match backend.
 # Read from env `API_KEYS` (comma-separated). This defines the limited pool of keys.
 raw_keys = os.environ.get("API_KEYS", "")
@@ -236,8 +235,17 @@ def upload_pdf(api_key: str, file) -> Dict:
                 files=files,
                 timeout=(10, read_timeout)
             )
-            response.raise_for_status()
-            return {"success": True, "data": response.json()}
+            try:
+                response.raise_for_status()
+                return {"success": True, "data": response.json()}
+            except requests.exceptions.HTTPError as http_err:
+                # Include status code and server response body for easier debugging
+                text = None
+                try:
+                    text = response.text
+                except Exception:
+                    text = str(http_err)
+                return {"success": False, "error": f"HTTP {response.status_code}: {text}"}
         except requests.exceptions.ReadTimeout as e:
             # Retry once for transient slow responses
             if attempt < max_retries: