diff --git a/piku.py b/piku.py
index ae232cb..57c22a7 100755
--- a/piku.py
+++ b/piku.py
@@ -287,7 +287,7 @@ def parse_procfile(filename):
                     matches = match(CRON_REGEXP, command).groups()
                     if matches:
                         for i in range(len(limits)):
-                            if int(matches[i+1].replace("*/", "").replace("*", "1")) > limits[i]:
+                            if int(matches[i + 1].replace("*/", "").replace("*", "1")) > limits[i]:
                                 raise ValueError
                 workers[kind] = command
             except Exception: