CI: Format isort output for azure

ci/code_checks.sh

@@ -105,7 +105,12 @@ if [[ -z "$CHECK" || "$CHECK" == "lint" ]]; then
 
     # Imports - Check formatting using isort see setup.cfg for settings
     MSG='Check import format using isort ' ; echo $MSG
-    isort --recursive --check-only pandas asv_bench
+    ISORT_CMD="isort --recursive --check-only pandas asv_bench"
+    if [[ "$GITHUB_ACTIONS" == "true" ]]; then
+        eval $ISORT_CMD | awk '{print "##[error]" $0}'; $?=${PIPESTATUS[0]}
+    else
+        eval $ISORT_CMD
+    fi
     RET=$(($RET + $?)) ; echo $MSG "DONE"
 
 fi

pandas/tests/window/test_pairwise.py

@@ -1,9 +1,9 @@
+from pandas.core.algorithms import safe_sort
 import warnings
 
 import pytest
 
 from pandas import DataFrame, Series
-from pandas.core.algorithms import safe_sort
 import pandas.util.testing as tm