code: def find_manifests(self):
          '''locate manifests and return filepaths thereof'''
          manifest_dir = mp_util.dot_mavproxy()
  
          ret = []
          for file in os.listdir(manifest_dir):
              try:
                  file.index("manifest")
                  ret.append(os.path.join(manifest_dir,file))
              except ValueError:
                  pass
          return ref find_manifests(self):
          '''locate manifests and return filepaths thereof'''
          manifest_dir = mp_util.dot_mavproxy()
  
          ret = []
          for file in os.listdir(manifest_dir):
              try:
                  file.index("manifest")
                  ret.append(os.path.join(manifest_dir,file))
              except ValueError:
                  pass
          return ret
docs: locate manifests and return filepaths thereof