Use sys.exit instead of global

fig/cli/command.py

@@ -8,6 +8,7 @@ import os
 import re
 import yaml
 import six
+import sys
 
 from ..project import Project
 from ..service import ConfigError
@@ -69,7 +70,7 @@ If it's at a non-standard location, specify the URL with the DOCKER_HOST environ
             else:
                 log.error(e)
 
-            exit(1)
+            sys.exit(1)
 
         try:
             return Project.from_config(self.project_name, config, self.client)

fig/cli/main.py

@@ -39,18 +39,18 @@ def main():
         command.sys_dispatch()
     except KeyboardInterrupt:
         log.error("\nAborting.")
-        exit(1)
+        sys.exit(1)
     except (UserError, NoSuchService, DependencyError) as e:
         log.error(e.msg)
-        exit(1)
+        sys.exit(1)
     except NoSuchCommand as e:
         log.error("No such command: %s", e.command)
         log.error("")
         log.error("\n".join(parse_doc_section("commands:", getdoc(e.supercommand))))
-        exit(1)
+        sys.exit(1)
     except APIError as e:
         log.error(e.explanation)
-        exit(1)
+        sys.exit(1)
 
 
 # stolen from docopt master

fig/cli/socketclient.py

@@ -115,7 +115,7 @@ if __name__ == '__main__':
 
     if len(sys.argv) != 2:
         sys.stderr.write("Usage: python socketclient.py WEBSOCKET_URL\n")
-        exit(1)
+        sys.exit(1)
 
     url = sys.argv[1]
     socket = websocket.create_connection(url)