Add flake8 and fix errors.

Signed-off-by: Daniel Nephin <dnephin@gmail.com>

fig/cli/command.py

@@ -8,7 +8,6 @@ import os
 import re
 import yaml
 from ..packages import six
-import sys
 
 from ..project import Project
 from ..service import ConfigError
@@ -19,6 +18,7 @@ from . import errors
 
 log = logging.getLogger(__name__)
 
+
 class Command(DocoptCommand):
     base_dir = '.'
 

fig/cli/main.py

@@ -281,13 +281,13 @@ class TopLevelCommand(Command):
             try:
                 num = int(num)
             except ValueError:
-                raise UserError('Number of containers for service "%s" is not a number' % service)
+                raise UserError('Number of containers for service "%s" is not a '
+                                'number' % service_name)
             try:
                 self.project.get_service(service_name).scale(num)
             except CannotBeScaledError:
                 raise UserError('Service "%s" cannot be scaled because it specifies a port on the host. If multiple containers for this service were created, the port would clash.\n\nRemove the ":" from the port definition in fig.yml so Docker can choose a random port for each container.' % service_name)
 
-
     def start(self, options):
         """
         Start existing containers.
@@ -357,5 +357,6 @@ class TopLevelCommand(Command):
                 print("Gracefully stopping... (press Ctrl+C again to force)")
                 self.project.stop(service_names=service_names)
 
+
 def list_containers(containers):
     return ", ".join(c.name for c in containers)

fig/cli/utils.py

@@ -65,11 +65,11 @@ def prettydate(d):
     elif s < 120:
         return '1 minute ago'
     elif s < 3600:
-        return '{0} minutes ago'.format(s/60)
+        return '{0} minutes ago'.format(s / 60)
     elif s < 7200:
         return '1 hour ago'
     else:
-        return '{0} hours ago'.format(s/3600)
+        return '{0} hours ago'.format(s / 3600)
 
 
 def mkdir(path, permissions=0o700):
@@ -103,8 +103,8 @@ def split_buffer(reader, separator):
             index = buffered.find(separator)
             if index == -1:
                 break
-            yield buffered[:index+1]
-            buffered = buffered[index+1:]
+            yield buffered[:index + 1]
+            buffered = buffered[index + 1:]
 
     if len(buffered) > 0:
         yield buffered