from .mixins import HandlerMixin


version_info = (1, 0, 2)
__version__ = '.'.join(str(v) for v in version_info[:3])

try:
    from .mixins import HandlerMixin

except ImportError as error:

    class HandlerMixin(object):
        def __init__(self, *args, **kwargs):
            raise error


version_info = (1, 0, 2)
__version__ = '.'.join(str(v) for v in version_info[:3])

Fix retrieving __version__ without Tornado installed.
Fix retrieving __version__ without Tornado installed.

+ try:
- from .mixins import HandlerMixin
+     from .mixins import HandlerMixin
+ 
+ except ImportError as error:
+ 
+     class HandlerMixin(object):
+         def __init__(self, *args, **kwargs):
+             raise error
  
  
  version_info = (1, 0, 2)
  __version__ = '.'.join(str(v) for v in version_info[:3])
  
Fix retrieving __version__ without Tornado installed.
## Code Before:
from .mixins import HandlerMixin


version_info = (1, 0, 2)
__version__ = '.'.join(str(v) for v in version_info[:3])

## Instruction:
Fix retrieving __version__ without Tornado installed.
## Code After:
try:
    from .mixins import HandlerMixin

except ImportError as error:

    class HandlerMixin(object):
        def __init__(self, *args, **kwargs):
            raise error


version_info = (1, 0, 2)
__version__ = '.'.join(str(v) for v in version_info[:3])
