Follow DeepSource reccommendations

Nolonger binding to the address, by default it is always localhost

setup/args.py

@@ -2,7 +2,7 @@
 Startup arguments for the OnlyLegs gallery
 
     -p, --port: Port to run on (default: 5000)
-    -a, --address: Address to run on (default: For Debug: localhost, For Production: 0.0.0.0)
+    -a, --address: Address to run on (default: 127.0.0.0)
     -w, --workers: Number of workers to run (default: 4)
 
     -d, --debug: Run as Flask app in debug mode (default: False)
@@ -15,7 +15,7 @@ import argparse
 
 parser = argparse.ArgumentParser(description='Run the OnlyLegs gallery')
 parser.add_argument('-p', '--port', type=int, default=5000, help='Port to run on')
-parser.add_argument('-a', '--address', type=str, default=None, help='Address to run on')
+parser.add_argument('-a', '--address', type=str, default='127.0.0.0', help='Address to run on')
 parser.add_argument('-w', '--workers', type=int, default=4, help='Number of workers to run')
 parser.add_argument('-d', '--debug', action='store_true', help='Run as Flask app in debug mode')
 args = parser.parse_args()

setup/runner.py

@@ -9,7 +9,7 @@ class OnlyLegs(Application):
     """
     Gunicorn application
     """
-    def __init__(self, options={}):  # pylint: disable=W0102, W0231 # noqa
+    def __init__(self, options={}):  # pylint: disable=W0102, W0231
         self.usage = None
         self.callable = None
         self.options = options
@@ -25,7 +25,8 @@ class OnlyLegs(Application):
                 cfg[setting.lower()] = value
         return cfg
 
-    def prog(self):  # pylint: disable=C0116, E0202 # noqa
+    @staticmethod
+    def prog(self):  # pylint: disable=C0116, E0202
         return 'OnlyLegs'
 
     def load(self):