[NPM] ValueError: invalid literal for int() with base 16: b''

[msrb]

scheduling NPM, non-popular packages, count 60000-80000:

DEBUG:f8a_jobs.handlers.base:Scheduling cordova-plugin-gyroscope/0.1.4
2017-06-12 07:44:02,759 - Scheduling Selinon flow 'bayesianFlow' with node_args: '{'force_graph_sync': False, 'name': 'cordova-plugin-gyroscope', 'version': '0.1.4', 'force': False, 'ecosystem': 'npm'}'
DEBUG:f8a_jobs.handlers.base:Scheduling Selinon flow 'bayesianFlow' with node_args: '{'force_graph_sync': False, 'name': 'cordova-plugin-gyroscope', 'version': '0.1.4', 'force': False, 'ecosystem': 'npm'}'
ERROR:root:Job 'None' failed, registering ErrorHandler: ('Connection broken: IncompleteRead(0 bytes read)', IncompleteRead(0 bytes read))
Traceback (most recent call last):
  File "/usr/lib/python3.4/site-packages/requests/packages/urllib3/response.py", line 535, in _update_chunk_length
    self.chunk_left = int(line, 16)
ValueError: invalid literal for int() with base 16: b''

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.4/site-packages/requests/packages/urllib3/response.py", line 298, in _error_catcher
    yield
  File "/usr/lib/python3.4/site-packages/requests/packages/urllib3/response.py", line 590, in read_chunked
    self._update_chunk_length()
  File "/usr/lib/python3.4/site-packages/requests/packages/urllib3/response.py", line 539, in _update_chunk_length
    raise httplib.IncompleteRead(line)
http.client.IncompleteRead: IncompleteRead(0 bytes read)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.4/site-packages/requests/models.py", line 703, in generate
    for chunk in self.raw.stream(chunk_size, decode_content=True):
  File "/usr/lib/python3.4/site-packages/requests/packages/urllib3/response.py", line 428, in stream
    for line in self.read_chunked(amt, decode_content=decode_content):
  File "/usr/lib/python3.4/site-packages/requests/packages/urllib3/response.py", line 618, in read_chunked
    self._original_response.close()
  File "/usr/lib64/python3.4/contextlib.py", line 77, in __exit__
    self.gen.throw(type, value, traceback)
  File "/usr/lib/python3.4/site-packages/requests/packages/urllib3/response.py", line 316, in _error_catcher
    raise ProtocolError('Connection broken: %r' % e, e)
requests.packages.urllib3.exceptions.ProtocolError: ('Connection broken: IncompleteRead(0 bytes read)', IncompleteRead(0 bytes read))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.4/site-packages/f8a_jobs/scheduler.py", line 190, in job_execute
    instance.execute(**handler_kwargs)
  File "/usr/lib/python3.4/site-packages/f8a_jobs/handlers/base.py", line 264, in execute
    return self.do_execute(popular)
  File "/usr/lib/python3.4/site-packages/f8a_jobs/handlers/npm_popular_analyses.py", line 71, in do_execute
    self._use_npm_registry()
  File "/usr/lib/python3.4/site-packages/f8a_jobs/handlers/npm_popular_analyses.py", line 25, in _use_npm_registry
    for record in stream.iter_lines():
  File "/usr/lib/python3.4/site-packages/requests/models.py", line 747, in iter_lines
    for chunk in self.iter_content(chunk_size=chunk_size, decode_unicode=decode_unicode):
  File "/usr/lib/python3.4/site-packages/requests/models.py", line 706, in generate
    raise ChunkedEncodingError(e)
requests.exceptions.ChunkedEncodingError: ('Connection broken: IncompleteRead(0 bytes read)', IncompleteRead(0 bytes read))