Update app.py

app.py

@@ -12,15 +12,30 @@ import os
 logging.basicConfig(level=logging.INFO, format="%(asctime)s - %(levelname)s - %(message)s")
 logger = logging.getLogger(__name__)
 
-def process_files(*uploaded_files):
+def process_files(uploaded_files):
     """Process uploaded CSV files and generate dashboard outputs."""
-    logger.info(f"Received {len(uploaded_files)} uploaded files: {uploaded_files}")
+    logger.info(f"Received uploaded files: {uploaded_files}")
+    # Handle Gradio's File component output: may be a tuple/list of lists
+    if not uploaded_files:
+        logger.warning("No files uploaded.")
+        return "Please upload at least one valid CSV file.", None, None, None, None
+
+    # Flatten the structure: uploaded_files might be (['path'],) or ['path']
+    if isinstance(uploaded_files, (tuple, list)) and len(uploaded_files) > 0:
+        if isinstance(uploaded_files[0], list):
+            valid_files = uploaded_files[0]  # Extract the inner list
+        else:
+            valid_files = uploaded_files
+    else:
+        valid_files = []
+
     # Filter out None values and ensure we have valid files
-    valid_files = [f for f in uploaded_files if f is not None]
+    valid_files = [f for f in valid_files if f is not None]
     if not valid_files:
-        logger.warning("No valid files uploaded.")
+        logger.warning("No valid files after filtering.")
         return "Please upload at least one valid CSV file.", None, None, None, None
 
+    logger.info(f"Processing {len(valid_files)} valid files: {valid_files}")
     try:
         # Load data
         df = load_logs(valid_files)