JFIF 


 x x     C 



      	
	
  



 	

   C
      
" 

     






        
 	

     
  
}
 !1AQa "q2   #B  R  $3br 	
%&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz                                                                         
 








      
 	

     
  
w 
!1AQ aq"2 B    	#3R br 
$4 % &'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz                                                                        
  ?     N    m?    j    EP   """Event loop mixins."""

import threading
from . import events

_global_lock = threading.Lock()


class _LoopBoundMixin:
    _loop = None

    def _get_loop(self):
        loop = events._get_running_loop()

        if self._loop is None:
            with _global_lock:
                if self._loop is None:
                    self._loop = loop
        if loop is not self._loop:
            raise RuntimeError(f'{self!r} is bound to a different event loop')
        return loop