fixed test lab04

Author: rbtzuniga

lab_04/test_youtube_videos_api.py

@@ -1,6 +1,8 @@
 import pandas as pd 
-from flask_lab_example import filter_by_value, apply_limit_offset, convert_to_format
-import io, json
+from flask_lab_example import filter_by_value
+from flask_lab_example import apply_limit_offset
+from flask_lab_example import convert_to_format
+import io
 
 def get_test_df():
     data = {