Adjustment to new comment in gfs_tasks.py

Resolves pycodestyle warning

Refs NOAA-EMC#2043

workflow/rocoto/gfs_tasks.py

@@ -949,7 +949,7 @@ def metp(self):
     def arch(self):
         deps = []
         dependencies = []
-        if self.app_config.mode in ['cycled']: # Block for handling half cycle dependencies
+        if self.app_config.mode in ['cycled']:  # Block for handling half cycle dependencies
             if self.cdump in ['gfs']:
                 if self.app_config.do_vminmon:
                     dep_dict = {'type': 'task', 'name': f'{self.cdump}vminmon'}