Update QA_Tensorflow.py

QA_Tensorflow.py

@@ -17,7 +17,7 @@ def question_answering_tf(question, context):
                    return_offsets_mapping=True, 
                    return_tensors="tf")
       
-  _ = inputs.pop("overflow_to_sample_mapping")
+    _ = inputs.pop("overflow_to_sample_mapping")
     offset_mapping = inputs.pop("offset_mapping")
     
     outputs = model(inputs)