Update app.py

app.py

@@ -359,16 +359,28 @@ def generate_pdf_report(result, charts=None, table_data=None, metadata=None, key
 def validate_analyst_output(analyst_output):
     if not analyst_output:
         st.warning("No data available for analysis.")
+        logging.warning("Validation Failed: Analyst output is empty.")
         return None
-    if not isinstance(analyst_output, list) or not all(isinstance(item, dict) for item in analyst_output):
+
+    if not isinstance(analyst_output, list):
         st.warning("Analyst output must be a list of dictionaries.")
+        logging.warning(f"Validation Failed: Analyst output is not a list. Type: {type(analyst_output)}")
         return None
+
     required_keys = {'Category', 'Values'}
-    if not all(required_keys.issubset(item.keys()) for item in analyst_output):
-        st.warning(f"Each dictionary must contain keys: {required_keys}")
-        return None
+    for idx, item in enumerate(analyst_output):
+        if not isinstance(item, dict):
+            st.warning(f"Item at index {idx} is not a dictionary.")
+            logging.warning(f"Validation Failed: Item {idx} is not a dictionary. Item: {item}")
+            return None
+        if not required_keys.issubset(item.keys()):
+            st.warning(f"Item at index {idx} missing keys: {required_keys - set(item.keys())}")
+            logging.warning(f"Validation Failed: Item {idx} missing keys: {required_keys - set(item.keys())}")
+            return None
+
     return analyst_output
 
+
 # Visualization and Table Display
 def create_visualizations(analyst_output):
     chart_paths = []