diff --git a/docs/write_foo.py b/docs/write_foo.py
index 40c330dea..114d2ab37 100644
--- a/docs/write_foo.py
+++ b/docs/write_foo.py
@@ -49,4 +49,4 @@
 # open the NWB file in r+ mode
 with NWBHDF5IO(filename, "r+") as io:
     read_nwbfile = io.read()
-breakpoint()
\ No newline at end of file
+breakpoint()