diff --git a/do-reformat.sh b/do-reformat.sh
index 2ba7d23..b566c07 100755
--- a/do-reformat.sh
+++ b/do-reformat.sh
@@ -26,7 +26,7 @@ if [[ $file_type == "javascript" || \
     retval="$?"
     success_retval=0
 elif [[ $file_type == "python" ]]; then
-    out=$(pipx run black $file 2>/dev/null)
+    out=$(pipx run black $file 2>/dev/null && pipx run isort $file 2>/dev/null)
     retval="$?"
     success_retval=0
 else
diff --git a/would-reformat.sh b/would-reformat.sh
index 98ae967..d031b3d 100755
--- a/would-reformat.sh
+++ b/would-reformat.sh
@@ -28,11 +28,20 @@ if [[ $file_type = "javascript" || \
     would_reformat_retval=1
     syntax_error_retval=2
 elif [[ $file_type == "python" ]]; then
-    out=$(pipx run black --check $file 2>/dev/null)
-    retval="$?"
+
+    out=$(pipx run isort --check $file 2>/dev/null)
+    isort_retval="$?"
+
     success_retval=0
     would_reformat_retval=1
     syntax_error_retval=123
+
+    if [[ x"$isort_retval" = x"0" ]] ; then
+        out=$(pipx run black --check $file 2>/dev/null)
+        retval="$?"
+    else
+        retval="$isort_retval"
+    fi
 else
     echo -n "ignoring"
     exit 0