docs: def get(self, file):
          """ Check on github if a file exists
  
          :param file: File to check status of
          :return: File with new information, including blob, or Error
          :rtype: File or self.ProxyError
          """
          uri = "{api}/repos/{origin}/contents/{path}".format(
              api=self.github_api_url,
              origin=self.origin,
              path=file.path
          )
          params = {
              "ref": file.branch
          }
          data = self.request("GET", uri, params=params)
          # We update the file blob because it exists and we need it for update
          if data.status_code == 200:
              data = json.loads(data.content.decode("utf-8"))
              file.blob = data["sha"]
          elif data.status_code == 404:
              pass
          else:
              decoded_data = json.loads(data.content.decode("utf-8"))
              return self.ProxyError(
                  data.status_code, (decoded_data, "message"),
                  step="get", context={
                      "uri": uri,
                      "params": params
                  }
              )
          return file