Update app.py

app.py

@@ -9,13 +9,16 @@ import re
 import traceback
 
 def process_file(api_key, file, instructions):
-    # ... [keep the existing process_file function exactly as before] ...
+    # Function implementation goes here
+    pass  # Add proper indentation for actual implementation
 
 def sanitize_code(code_block, columns):
-    # ... [keep the existing sanitize_code function exactly as before] ...
+    # Function implementation goes here
+    pass  # Add proper indentation for actual implementation
 
 def execute_plot_code(code, df):
-    # ... [keep the existing execute_plot_code function exactly as before] ...
+    # Function implementation goes here
+    pass  # Add proper indentation for actual implementation
 
 def generate_error_image(message):
     """Create error indication image with message"""