remove unused imports from test files (microsoft#13743)

Co-authored-by: Ian Huff <ianhuff@AAULMER-DT1.redmond.corp.microsoft.com>

Author: IanMatthewHuff

news/3 Code Health/13729.md

@@ -0,0 +1 @@
+Remove unused imports from data science ipython test files.

pythonFiles/tests/ipython/scripts.py

@@ -4,7 +4,6 @@
 import os
 import json
 import sys
-import imp
 
 
 def check_for_ipython():

pythonFiles/tests/ipython/test_variables.py

@@ -2,17 +2,14 @@
 # Licensed under the MIT License.
 
 import pytest
-import sys
 import os
-import json
 from .scripts import (
  get_variable_value,
  get_variables,
  get_data_frame_info,
  get_data_frame_rows,
  check_for_ipython,
 )
-import imp
 
 haveIPython = check_for_ipython()