old_contents: # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  MIN_ENSEMBL_RELEASE = 54
  MAX_ENSEMBL_RELEASE = 106
  
  def check_release_number(release):
      """
      Check to make sure a release is in the valid range of
      Ensembl releases.
      """
      try:
          release = int(release)
      except:
          raise ValueError("Invalid Ensembl release: %s" % release)
  
      if release < MIN_ENSEMBL_RELEASE:
          raise ValueError(
              "Invalid Ensembl releases %d, must be greater than %d" % (
                  release, MIN_ENSEMBL_RELEASE))
      return release
  
new_contents: # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  MIN_ENSEMBL_RELEASE = 54
  MAX_ENSEMBL_RELEASE = 107
  
  def check_release_number(release):
      """
      Check to make sure a release is in the valid range of
      Ensembl releases.
      """
      try:
          release = int(release)
      except:
          raise ValueError("Invalid Ensembl release: %s" % release)
  
      if release < MIN_ENSEMBL_RELEASE:
          raise ValueError(
              "Invalid Ensembl releases %d, must be greater than %d" % (
                  release, MIN_ENSEMBL_RELEASE))
      return release
  
subject: Update ensembl_release_versions.py (#266)