Traceback (most recent call last):


 "/home/hummingbot/hummingbot/connector/connector/balancer/balancer_connector.py", line 156, in get_quote_price

resp = await self._api_request("post",


 "/home/hummingbot/hummingbot/connector/connector/balancer/balancer_connector.py", line 477, in _api_request

raise IOError(f"Error fetching data from {url}. HTTP status is {response.status}.{err_msg}")
OSError: Error fetching data from https://localhost:5000/balancer/sell-price. HTTP status is 500. Message: Operation Error

Traceback (most recent call last):


 "/home/travis/virtualenv/python3.6.5/lib/python3.6/site-packages/manticore/core/smtlib/solver.py", line 185, in _start_proc

self._proc = Popen(shlex.split(self._command), stdin=PIPE, stdout=PIPE, bufsize=0, universal_newlines=True)


 "/opt/python/3.6.5/lib/python3.6/subprocess.py", line 709, in __init__

restore_signals, start_new_session)


 "/opt/python/3.6.5/lib/python3.6/subprocess.py", line 1275, in _execute_child

restore_signals, start_new_session, preexec_fn)
OSError: [Errno 12] Cannot allocate memory
