Update app.py

app.py

@@ -68,10 +68,14 @@ if img_file_buffer is not None:
    # Check if the CSV file exists
     file_path = os.path.join("data", "data.csv")
     if os.path.exists(file_path):
-        # Append new data to existing CSV file
-        existing_df = pd.read_csv(file_path)
-        updated_df = pd.concat([existing_df, df], ignore_index=True)
-        updated_df.to_csv(file_path, index=False)
+        try:
+            # Append new data to existing CSV file
+            existing_df = pd.read_csv(file_path)
+            updated_df = pd.concat([existing_df, df], ignore_index=True)
+            updated_df.to_csv(file_path, index=False)
+        except pd.errors.EmptyDataError:
+            # If the file is empty, write the new data to it
+            df.to_csv(file_path, index=False)
     else:
         # Create new CSV file with data
         df.to_csv(file_path, index=False)