Update app.py

app.py

@@ -124,7 +124,9 @@ def analyze_data(csv_file, additional_notes=""):
         4. Actionable real-world insights derived from findings.
         Don't write to any files. Just return all results in the interface.
         Generate publication-quality visualizations and save to './figures/'.
-        Return the analysis results as a python dictionary that can be parsed by ast.literal_eval().
+        You are a helpful data analysis agent. ONLY return valid Python code. 
+        Do not include explanations, comments, or any non-code text. 
+        Do not use 'open()' or write to files. Just return variables and plots.
         The dictionary should have the following structure:
         {
             'observations': {