Collecting L1L2Py==1.0.2
  1 location(s) to search for versions of L1L2Py:
  * https://pypi.python.org/simple/l1l2py/
  Getting page https://pypi.python.org/simple/l1l2py/
  Analyzing links from page https://pypi.python.org/simple/l1l2py/
    Found link https://pypi.python.org/packages/20/6a/5b6daae74894571e27747ad3145219567ed3d18d33022fed7571052eaf55/L1L2Py-1.0.2.tar.gz#md5=efbc782a919bac1256820af6a03357ce (from https://pypi.python.org/simple/l1l2py/), version: 1.0.2
    Found link https://pypi.python.org/packages/97/e4/79f5ab1ee2afa3ab036c64c0f4e220d3235559a881f442a6226c4c916043/L1L2Py-1.0.4.tar.gz#md5=0ab656e5e5afc7678511e9ed4657f2c3 (from https://pypi.python.org/simple/l1l2py/), version: 1.0.4
    Found link https://pypi.python.org/packages/ba/83/21346f1d88b6e2258fa685bddfe12807faf1ee774e312e293c2c8a5b64c1/L1L2Py-1.0.3.tar.gz#md5=cc5059b81a2f064771ed5166d07fcc9a (from https://pypi.python.org/simple/l1l2py/), version: 1.0.3
    Found link https://pypi.python.org/packages/da/cd/20d6904f5e8d740a766855096de42c9a73f0192ff12a41c76986c6451367/L1L2Py-1.0.5.tar.gz#md5=24f782cbbe306678dc684961d10bfa8c (from https://pypi.python.org/simple/l1l2py/), version: 1.0.5
    Found link https://pypi.python.org/packages/e7/d3/6372aa13aba84da529f1d0e52035f678e6613da16988b080798708dbd669/L1L2Py-1.0.0.tar.gz#md5=4a0debf81a659e478861a611c66538b0 (from https://pypi.python.org/simple/l1l2py/), version: 1.0.0
    Found link https://pypi.python.org/packages/fc/1e/f57a16fed1ed8da6bee7b1d02471266bee251c5cffead2be58283f3c9550/L1L2Py-2.0.0a.tar.gz#md5=a7deb1250530283f87b773f7117ace25 (from https://pypi.python.org/simple/l1l2py/), version: 2.0.0a
    Found link https://pypi.python.org/packages/fc/dd/eb8fdb1e04dab2f6ac7000bf63e56c7b23f2d79c7b138662edbc2eeea41e/L1L2Py-1.0.1.tar.gz#md5=d97e67bdff10623f7306181c7f582df6 (from https://pypi.python.org/simple/l1l2py/), version: 1.0.1
  Using version 1.0.2 (newest of versions: 1.0.2)
  Downloading L1L2Py-1.0.2.tar.gz (580kB)
  Downloading from URL https://pypi.python.org/packages/20/6a/5b6daae74894571e27747ad3145219567ed3d18d33022fed7571052eaf55/L1L2Py-1.0.2.tar.gz#md5=efbc782a919bac1256820af6a03357ce (from https://pypi.python.org/simple/l1l2py/)
  Running setup.py (path:/tmp/pip-build-apr5p27k/L1L2Py/setup.py) egg_info for package L1L2Py
    Running command python setup.py egg_info
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-build-apr5p27k/L1L2Py/setup.py", line 14, in <module>
        from l1l2py import __version__ as version
      File "/tmp/pip-build-apr5p27k/L1L2Py/l1l2py/__init__.py", line 45, in <module>
        from _core import *
    ImportError: No module named '_core'
Cleaning up...
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-apr5p27k/L1L2Py/
Exception information:
Traceback (most recent call last):
  File "/home/piwheels/.local/lib/python3.5/site-packages/pip/basecommand.py", line 215, in main
    status = self.run(options, args)
  File "/home/piwheels/.local/lib/python3.5/site-packages/pip/commands/wheel.py", line 199, in run
    if not wb.build():
  File "/home/piwheels/.local/lib/python3.5/site-packages/pip/wheel.py", line 749, in build
    self.requirement_set.prepare_files(self.finder)
  File "/home/piwheels/.local/lib/python3.5/site-packages/pip/req/req_set.py", line 380, in prepare_files
    ignore_dependencies=self.ignore_dependencies))
  File "/home/piwheels/.local/lib/python3.5/site-packages/pip/req/req_set.py", line 634, in _prepare_file
    abstract_dist.prep_for_dist()
  File "/home/piwheels/.local/lib/python3.5/site-packages/pip/req/req_set.py", line 129, in prep_for_dist
    self.req_to_install.run_egg_info()
  File "/home/piwheels/.local/lib/python3.5/site-packages/pip/req/req_install.py", line 439, in run_egg_info
    command_desc='python setup.py egg_info')
  File "/home/piwheels/.local/lib/python3.5/site-packages/pip/utils/__init__.py", line 707, in call_subprocess
    % (command_desc, proc.returncode, cwd))
pip.exceptions.InstallationError: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-apr5p27k/L1L2Py/