import os

ISIS_ROOT = os.environ.get('ISISROOT')
if ISIS_ROOT is None:
    print 'Warning! ISISROOT is not defined. Bitch.'

    (ISIS_VERSION, ISIS_VERSION_MAJOR, ISIS_VERSION_MINOR,
        ISIS_VERSION_PATCH, ISIS_VERSION_BUILD) = 5 * (None,)

else:
    with open(filename) as _f:
        ISIS_VERSION = _f.readline().strip()

    (ISIS_VERSION_MAJOR, ISIS_VERSION_MINOR,
        ISIS_VERSION_PATCH, ISIS_VERSION_BUILD) = map(int, version.split('.'))


def require_isis_version(major, minor=None, patch=None, build=None):
    err_msg = 'Version %s.%s.%s.%s of isis required (%s found).'
    err = Exception(err_msg % (major, minor, patch, build, ISIS_VERSION))

    if major != ISIS_VERSION_MAJOR:
        raise err

    if minor is not None and minor != ISIS_VERSION_MINOR:
        raise err

    if patch is not None and patch != ISIS_VERSION_PATCH:
        raise err

    if build is not None and build != ISIS_VERSION_BUILD:
        raise err


import os, sys

ISIS_ROOT = os.environ.get('ISISROOT')
if ISIS_ROOT is None:
    sys.stderr.write('Warning! ISISROOT is not defined. Bitch.\n')

    (ISIS_VERSION, ISIS_VERSION_MAJOR, ISIS_VERSION_MINOR,
        ISIS_VERSION_PATCH, ISIS_VERSION_BUILD) = 5 * (None,)

else:
    with open(filename) as _f:
        ISIS_VERSION = _f.readline().strip()

    (ISIS_VERSION_MAJOR, ISIS_VERSION_MINOR,
        ISIS_VERSION_PATCH, ISIS_VERSION_BUILD) = map(int, version.split('.'))


def require_isis_version(major, minor=None, patch=None, build=None):
    err_msg = 'Version %s.%s.%s.%s of isis required (%s found).'
    err = Exception(err_msg % (major, minor, patch, build, ISIS_VERSION))

    if major != ISIS_VERSION_MAJOR:
        raise err

    if minor is not None and minor != ISIS_VERSION_MINOR:
        raise err

    if patch is not None and patch != ISIS_VERSION_PATCH:
        raise err

    if build is not None and build != ISIS_VERSION_BUILD:
        raise err


Write warning to std err instead.
Write warning to std err instead.

- import os
+ import os, sys
  
  ISIS_ROOT = os.environ.get('ISISROOT')
  if ISIS_ROOT is None:
-     print 'Warning! ISISROOT is not defined. Bitch.'
+     sys.stderr.write('Warning! ISISROOT is not defined. Bitch.\n')
  
      (ISIS_VERSION, ISIS_VERSION_MAJOR, ISIS_VERSION_MINOR,
          ISIS_VERSION_PATCH, ISIS_VERSION_BUILD) = 5 * (None,)
  
  else:
      with open(filename) as _f:
          ISIS_VERSION = _f.readline().strip()
  
      (ISIS_VERSION_MAJOR, ISIS_VERSION_MINOR,
          ISIS_VERSION_PATCH, ISIS_VERSION_BUILD) = map(int, version.split('.'))
  
  
  def require_isis_version(major, minor=None, patch=None, build=None):
      err_msg = 'Version %s.%s.%s.%s of isis required (%s found).'
      err = Exception(err_msg % (major, minor, patch, build, ISIS_VERSION))
  
      if major != ISIS_VERSION_MAJOR:
          raise err
  
      if minor is not None and minor != ISIS_VERSION_MINOR:
          raise err
  
      if patch is not None and patch != ISIS_VERSION_PATCH:
          raise err
  
      if build is not None and build != ISIS_VERSION_BUILD:
          raise err
  
  
Write warning to std err instead.
## Code Before:
import os

ISIS_ROOT = os.environ.get('ISISROOT')
if ISIS_ROOT is None:
    print 'Warning! ISISROOT is not defined. Bitch.'

    (ISIS_VERSION, ISIS_VERSION_MAJOR, ISIS_VERSION_MINOR,
        ISIS_VERSION_PATCH, ISIS_VERSION_BUILD) = 5 * (None,)

else:
    with open(filename) as _f:
        ISIS_VERSION = _f.readline().strip()

    (ISIS_VERSION_MAJOR, ISIS_VERSION_MINOR,
        ISIS_VERSION_PATCH, ISIS_VERSION_BUILD) = map(int, version.split('.'))


def require_isis_version(major, minor=None, patch=None, build=None):
    err_msg = 'Version %s.%s.%s.%s of isis required (%s found).'
    err = Exception(err_msg % (major, minor, patch, build, ISIS_VERSION))

    if major != ISIS_VERSION_MAJOR:
        raise err

    if minor is not None and minor != ISIS_VERSION_MINOR:
        raise err

    if patch is not None and patch != ISIS_VERSION_PATCH:
        raise err

    if build is not None and build != ISIS_VERSION_BUILD:
        raise err


## Instruction:
Write warning to std err instead.
## Code After:
import os, sys

ISIS_ROOT = os.environ.get('ISISROOT')
if ISIS_ROOT is None:
    sys.stderr.write('Warning! ISISROOT is not defined. Bitch.\n')

    (ISIS_VERSION, ISIS_VERSION_MAJOR, ISIS_VERSION_MINOR,
        ISIS_VERSION_PATCH, ISIS_VERSION_BUILD) = 5 * (None,)

else:
    with open(filename) as _f:
        ISIS_VERSION = _f.readline().strip()

    (ISIS_VERSION_MAJOR, ISIS_VERSION_MINOR,
        ISIS_VERSION_PATCH, ISIS_VERSION_BUILD) = map(int, version.split('.'))


def require_isis_version(major, minor=None, patch=None, build=None):
    err_msg = 'Version %s.%s.%s.%s of isis required (%s found).'
    err = Exception(err_msg % (major, minor, patch, build, ISIS_VERSION))

    if major != ISIS_VERSION_MAJOR:
        raise err

    if minor is not None and minor != ISIS_VERSION_MINOR:
        raise err

    if patch is not None and patch != ISIS_VERSION_PATCH:
        raise err

    if build is not None and build != ISIS_VERSION_BUILD:
        raise err

