Update app.py

app.py

@@ -242,14 +242,14 @@ def apply_ocr(cell_coordinates, cropped_table):
       if len(row_text) > max_num_columns:
           max_num_columns = len(row_text)
       
-      data[idx] = row_text
+      data[str(idx)] = row_text
 
     # pad rows which don't have max_num_columns elements
     # to make sure all rows have the same number of columns
-    for row, row_data in data.copy().items():
+    for idx, row_data in data.copy().items():
         if len(row_data) != max_num_columns:
           row_data = row_data + ["" for _ in range(max_num_columns - len(row_data))]
-        data[row] = row_data
+        data[str(idx)] = row_data
 
     # write to csv
     with open('output.csv','w') as result_file: