diff --git a/send2trash/exceptions.py b/send2trash/exceptions.py
index 9d5d91f..b61c645 100644
--- a/send2trash/exceptions.py
+++ b/send2trash/exceptions.py
@@ -2,7 +2,7 @@ import errno
 from .compat import PY3
 
 if PY3:
-    _permission_error = PermissionError
+    _permission_error = PermissionError  # noqa: F821
 else:
     _permission_error = OSError
 
diff --git a/send2trash/plat_other.py b/send2trash/plat_other.py
index 3e4e8ea..37777ca 100644
--- a/send2trash/plat_other.py
+++ b/send2trash/plat_other.py
@@ -110,7 +110,7 @@ def trash_move(src, dst, topdir=None):
 
     check_create(filespath)
     check_create(infopath)
-    
+
     with open(op.join(infopath, destname + INFO_SUFFIX), "w") as f:
         f.write(info_for(src, topdir))
     os.rename(src, op.join(filespath, destname))