parameters: (self, connections, maxsize, block=DEFAULT_POOLBLOCK, **pool_kwargs)
docstring: Initializes a urllib3 PoolManager.
  
          This method should not be called from user code, and is only
          exposed for use when subclassing the
          :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
  
          :param connections: The number of urllib3 connection pools to cache.
          :param maxsize: The maximum number of connections to save in the pool.
          :param block: Block when no free connections are available.
          :param pool_kwargs: Extra keyword arguments used to initialize the Pool Manager.
docstring_summary: Initializes a urllib3 PoolManager.
docstring_tokens: Initializes a urllib3 PoolManager .
function: def init_poolmanager(self, connections, maxsize, block=DEFAULT_POOLBLOCK, **pool_kwargs):
          """Initializes a urllib3 PoolManager.
  
          This method should not be called from user code, and is only
          exposed for use when subclassing the
          :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
  
          :param connections: The number of urllib3 connection pools to cache.
          :param maxsize: The maximum number of connections to save in the pool.
          :param block: Block when no free connections are available.
          :param pool_kwargs: Extra keyword arguments used to initialize the Pool Manager.
          """
          # save these values for pickling
          self._pool_connections = connections
          self._pool_maxsize = maxsize
          self._pool_block = block
  
          self.poolmanager = PoolManager(num_pools=connections, maxsize=maxsize,
                                         block=block, strict=True, **pool_kwargs)
function_tokens: def init_poolmanager ( self , connections , maxsize , block = DEFAULT_POOLBLOCK , * * pool_kwargs ) : # save these values for pickling self . _pool_connections = connections self . _pool_maxsize = maxsize self . _pool_block = block self . poolmanager = PoolManager ( num_pools = connections , maxsize = maxsize , block = block , strict = True , * * pool_kwargs )