diff --git a/src/psweep/psweep.py b/src/psweep/psweep.py
index f5301dc..baf9977 100644
--- a/src/psweep/psweep.py
+++ b/src/psweep/psweep.py
@@ -121,10 +121,9 @@ def flatten(seq):
                 yield subitem
 
 
-def file_write(fn: str, txt: str, mode='w'):
+def file_write(fn: str, txt: str, mode="w"):
     makedirs(os.path.dirname(fn))
-
-    with open(fn, mode=mode) as        fd:
+    with open(fn, mode=mode) as fd:
         fd.write(txt)