old_contents: from .paths import Paths
  
  import logging
  logger = logging.getLogger(__name__)
  
  def get(name=None):
      maps = []
      for mapdir in (p for p in Paths.MAPS.iterdir()):
          if mapdir.is_dir():
              for mapfile in (p for p in mapdir.iterdir() if p.is_file()):
                  if mapfile.suffix == ".SC2Map":
                      maps.append(Map(mapfile))
          elif mapdir.is_file():
              if mapdir.suffix == ".SC2Map":
                  maps.append(Map(mapdir))
  
      if name is None:
          return maps
  
      for m in maps:
          if m.matches(name):
              return m
  
      raise KeyError(f"Map '{name}' was not found. Please put the map file in /StarCraft II/Maps/ !")
  
  class Map(object):
      def __init__(self, path):
          self.path = path
  
          if self.path.is_absolute():
              try:
                  self.relative_path = self.path.relative_to(Paths.MAPS)
              except ValueError: # path not relative to basedir
                  logging.warning(f"Using absolute path: {self.path}")
                  self.relative_path = self.path
          else:
              self.relative_path = self.path
  
      @property
      def name(self):
          return self.path.stem
  
      @property
      def data(self):
          with open(self.path, "rb") as f:
              return f.read()
  
      def matches(self, name):
          return self.name.lower().replace(" ", "") == name.lower().replace(" ", "")
  
      def __repr__(self):
          return f"Map({self.path})"
  
new_contents: from .paths import Paths
  
  import logging
  logger = logging.getLogger(__name__)
  
  def get(name=None):
      maps = []
      for mapdir in (p for p in Paths.MAPS.iterdir()):
          if mapdir.is_dir():
              for mapfile in (p for p in mapdir.iterdir() if p.is_file()):
                  if mapfile.suffix == ".SC2Map":
                      maps.append(Map(mapfile))
          elif mapdir.is_file():
              if mapdir.suffix == ".SC2Map":
                  maps.append(Map(mapdir))
  
      if name is None:
          return maps
  
      for m in maps:
          if m.matches(name):
              return m
  
      raise KeyError(f"Map '{name}' was not found. Please put the map file in \"/StarCraft II/Maps/\".")
  
  class Map(object):
      def __init__(self, path):
          self.path = path
  
          if self.path.is_absolute():
              try:
                  self.relative_path = self.path.relative_to(Paths.MAPS)
              except ValueError: # path not relative to basedir
                  logging.warning(f"Using absolute path: {self.path}")
                  self.relative_path = self.path
          else:
              self.relative_path = self.path
  
      @property
      def name(self):
          return self.path.stem
  
      @property
      def data(self):
          with open(self.path, "rb") as f:
              return f.read()
  
      def matches(self, name):
          return self.name.lower().replace(" ", "") == name.lower().replace(" ", "")
  
      def __repr__(self):
          return f"Map({self.path})"
  
subject: Tweak the error message