Update app.py

app.py

@@ -53,7 +53,8 @@ def greet(prompt, file = None):
         # extract the table name so it can be used in the SQL query
         # in order to get the table name, we need to remove the file extension
 
-        table_name = 
+        table_name = os.path.splitext(os.path.basename(file_path.name))[0]
+