Fix F821 flake8 warning (x47).

Ignore warnings related to Python 2, because it's going away soon.

examples/contrib/run_swag.py

@@ -108,7 +108,7 @@ def read_swag_examples(input_file, is_training=True):
         lines = []
         for line in reader:
             if sys.version_info[0] == 2:
-                line = list(unicode(cell, "utf-8") for cell in line)
+                line = list(unicode(cell, "utf-8") for cell in line)  # noqa: F821
             lines.append(line)
 
     if is_training and lines[0][-1] != "label":

examples/run_generation.py

@@ -225,7 +225,7 @@ def main():
     # Batch size == 1. to add more examples please use num_return_sequences > 1
     generated_sequence = output_sequences[0].tolist()
     text = tokenizer.decode(generated_sequence, clean_up_tokenization_spaces=True)
-    text = text[: t.find(args.stop_token) if args.stop_token else None]
+    text = text[: text.find(args.stop_token) if args.stop_token else None]
 
     print(text)
 

examples/utils_multiple_choice.py

@@ -184,7 +184,7 @@ class SwagProcessor(DataProcessor):
             lines = []
             for line in reader:
                 if sys.version_info[0] == 2:
-                    line = list(unicode(cell, "utf-8") for cell in line)
+                    line = list(unicode(cell, "utf-8") for cell in line)  # noqa: F821
                 lines.append(line)
             return lines