diff --git a/tools/check_install.py b/tools/check_install.py
index b8e522758b7..04dbd6df99f 100644
--- a/tools/check_install.py
+++ b/tools/check_install.py
@@ -29,9 +29,9 @@
     ("transformers", None, "installers/install_transformers.sh"),
     ("speechbrain", None, "installers/install_speechbrain.sh"),
     ("k2", None, "installers/install_k2.sh"),
-    ("longformer",None,"installers/install_longformer.sh"),
-    ("nlg-eval",None,"installers/install_longformer.sh"),
-    ("datasets",None,"installers/install_longformer.sh"),
+    ("longformer", None, "installers/install_longformer.sh"),
+    ("nlg-eval", None, "installers/install_longformer.sh"),
+    ("datasets", None, "installers/install_longformer.sh"),
 ]
 
 executable_list = [