lint: run shfmt

Related to #2834 and #2969.

scripts/ci/check_python.sh

@@ -4,15 +4,15 @@ set -e
 set -x
 
 if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then
-    where python
-    where pip
+	where python
+	where pip
 else
-    which python
-    which pip
+	which python
+	which pip
 fi
 
 py_ver="$(python -c 'import sys; print(sys.version[0])')"
 
 if [[ "$py_ver" != 3 ]]; then
-  exit 1
+	exit 1
 fi