old_contents: """
  
  This module holds commands of internal
  glim framework commands to manipulate
  a typical glim framework app.
  
  """
  
  
  import os
  from termcolor import colored
  
  from glim.command import GlimCommand
  from glim.utils import copytree
  from glim.exception import FolderExistsError
  from glim import GlimLog
  
  import glim.paths as paths
  
  
  class NewCommand(GlimCommand):
  
      """
  
      This class is responsible for generating a new glim app.
  
      Attributes
      ----------
        glim.command.GlimCommand Attributes
  
      """
      name = 'new'
      description = 'generates a new glim app'
  
      def configure(self):
          """Function adds the optional name argument for creating an app with
          project name.
          """
          self.add_argument("name", nargs='?', help="enter project name", default=None)
  
      def run(self, app):
          """Function copies the prototype folder into os.getcwd() path."""
          project_path = os.getcwd()
          if self.args.name is not None:
              project_path = os.path.join(project_path, self.args.name)
  
          proto_path = paths.PROTO_PATH
  
          try:
              copytree(proto_path, project_path)
              print(colored('A new glim app created successfully! Happy coding :)', 'green'))
          except FolderExistsError as e:
              print(e)
              print(colored('App already exists', 'red'))
  
  
  class StartCommand(GlimCommand):
  
      """
  
      This class is responsible for starting wsgi of glim framework app.
  
      Attributes
      ----------
        glim.command.GlimCommand Attributes
  
      """
      name = 'start'
      description = 'start the glim app web server'
  
      def configure(self):
          """Function adds optional host, port variables."""
          self.add_argument("--host", help="enter host", default='127.0.0.1')
          self.add_argument("--port", help="enter port", default='8080')
  
      def run(self, app):
          """Function starts the web server given configuration."""
          GlimLog.info('Glim server started on %s environment' % self.args.env)
          app.start(host=self.args.host, port=self.args.port)
  
new_contents: """
  
  This module holds commands of internal
  glim framework commands to manipulate
  a typical glim framework app.
  
  """
  
  
  import os
  from termcolor import colored
  
  from glim.command import GlimCommand
  from glim.utils import copytree
  from glim.exception import FolderExistsError
  from glim import GlimLog
  
  import glim.paths as paths
  
  
  class NewCommand(GlimCommand):
      """
      This class is responsible for generating a new glim app.
  
      Attributes
      ----------
        glim.command.GlimCommand Attributes
      """
      name = 'new'
      description = 'generates a new glim app'
  
      def configure(self):
          """
          Function adds the optional name argument for creating an app with
          project name.
          """
          self.add_argument("name", nargs='?', help="enter project name", default=None)
  
      def run(self, app):
          """Function copies the prototype folder into os.getcwd() path."""
          project_path = os.getcwd()
          if self.args.name is not None:
              project_path = os.path.join(project_path, self.args.name)
  
          proto_path = paths.PROTO_PATH
  
          try:
              copytree(proto_path, project_path)
              print(colored('A new glim app created successfully! Happy coding :)', 'green'))
          except FolderExistsError as e:
              print(e)
              print(colored('App already exists', 'red'))
  
  
  class StartCommand(GlimCommand):
      """
      This class is responsible for starting wsgi of glim framework app.
  
      Attributes
      ----------
        glim.command.GlimCommand Attributes
      """
      name = 'start'
      description = 'start the glim app web server'
  
      def configure(self):
          """Function adds optional host, port variables."""
          self.add_argument("--host", help="enter host", default='127.0.0.1')
          self.add_argument("--port", help="enter port", default='8080')
  
      def run(self, app):
          """Function starts the web server given configuration."""
          GlimLog.info('Glim server started on %s environment' % self.args.env)
          app.start(host=self.args.host, port=self.args.port)
  
subject: remove trailing spaces, add pep8 fixes