  except ImportError:
      crispy_forms = None
  
  
  # Django-guardian is optional. Import only if guardian is in INSTALLED_APPS
  # Fixes (#1712). We keep the try/except for the test suite.
  guardian = None
  try:
      if 'guardian' in settings.INSTALLED_APPS:
 
</s>
# coreapi is optional (Note that uritemplate is a dependancy of coreapi)
try:
    import coreapi
    import uritemplate
except (ImportError, SyntaxError):
    # SyntaxError is possible under python 3.2
    coreapi = None
    uritemplate = None


  except ImportError:
      crispy_forms = None
  
  
# coreapi is optional (Note that uritemplate is a dependancy of coreapi)
try:
    import coreapi
    import uritemplate
except (ImportError, SyntaxError):
    # SyntaxError is possible under python 3.2
    coreapi = None
    uritemplate = None


  # Django-guardian is optional. Import only if guardian is in INSTALLED_APPS
  # Fixes (#1712). We keep the try/except for the test suite.
  guardian = None
  try:
      if 'guardian' in settings.INSTALLED_APPS:
keep keep keep add keep keep keep keep keep
 Schemas & client libraries. (#4179)

* Added schema generation support.
* New tutorial section.
* API guide on schema generation.
* Topic guide on API clients.
rest_framework/compat.py