2019-07-12T13:51:20 Created temporary directory: /tmp/pip-ephem-wheel-cache-d0qssq2z
2019-07-12T13:51:20 Created temporary directory: /tmp/pip-req-tracker-b6i0_yz3
2019-07-12T13:51:20 Created requirements tracker '/tmp/pip-req-tracker-b6i0_yz3'
2019-07-12T13:51:20 Created temporary directory: /tmp/pip-wheel-1l725d20
2019-07-12T13:51:20 Collecting lycon==0.2.0
2019-07-12T13:51:20   1 location(s) to search for versions of lycon:
2019-07-12T13:51:20   * https://pypi.org/simple/lycon/
2019-07-12T13:51:20   Getting page https://pypi.org/simple/lycon/
2019-07-12T13:51:20   Analyzing links from page https://pypi.org/simple/lycon/
2019-07-12T13:51:20     Found link https://files.pythonhosted.org/packages/e4/a0/562a2a4c59f7decf2da3d017d5a0cebc7238ae1cd3c8a55d4ef1a8ca0fa4/lycon-0.1.2.tar.gz#sha256=a0a6d408833ce1da5cc3ff1e78b4dccede589a08e501c1a044c047a9b67d4b8a (from https://pypi.org/simple/lycon/), version: 0.1.2
2019-07-12T13:51:20     Found link https://files.pythonhosted.org/packages/59/0e/41859640a14b4e22b2428aea9487e61002fb4de5e2463686e9e7c94a8dd6/lycon-0.1.3.tar.gz#sha256=cd8a9d11987d662ba24d53b7612062409c2458eb419704e24d7b3169f2e76557 (from https://pypi.org/simple/lycon/), version: 0.1.3
2019-07-12T13:51:20     Found link https://files.pythonhosted.org/packages/71/c1/b8278b4a488a254da0147382b382620d8fb2d751d9f92fcfb110e1547648/lycon-0.1.4.tar.gz#sha256=8210a954a7174651ed0990951310cd3abf6996b45f63f58f36c7a66459737b6c (from https://pypi.org/simple/lycon/), version: 0.1.4
2019-07-12T13:51:20     Found link https://files.pythonhosted.org/packages/9f/f9/923516f74470cfb032d8bb8b82a0527af20bacafa14b7c085ae1875e07fb/lycon-0.1.5.tar.gz#sha256=9d7c9358925e3e444fe3910ed43d31fd0c7c6997daecf4729a1723fe690a0bac (from https://pypi.org/simple/lycon/), version: 0.1.5
2019-07-12T13:51:20     Found link https://files.pythonhosted.org/packages/2a/fe/a6a471fa5655a25621c98983c68ac80e97cdb9e1b7eacafcd616100ac4bd/lycon-0.1.6.tar.gz#sha256=964ee60f20e8fc8ab37a8c64133d83760b3e2a852bfa027d139dc6b4b303c0ae (from https://pypi.org/simple/lycon/), version: 0.1.6
2019-07-12T13:51:20     Found link https://files.pythonhosted.org/packages/5c/b9/b711a449a7d6f5884a410312e951c778ebeb38c26d2c1b923e397edb5df8/lycon-0.1.7.tar.gz#sha256=bfaed0ffed170449f4e327e9ab6d1f3ae0a07e0806d9904c8d3f4c4f115c2e8c (from https://pypi.org/simple/lycon/), version: 0.1.7
2019-07-12T13:51:20     Found link https://files.pythonhosted.org/packages/2b/30/d299ea906292811b82252341057add96ea2bcad620c5967ffc5add252fe8/lycon-0.1.8.tar.gz#sha256=49737c90b38a9811e098a1ccd8f26e796b99282f28cac1b10e3e5fa55c2a1618 (from https://pypi.org/simple/lycon/), version: 0.1.8
2019-07-12T13:51:20     Found link https://files.pythonhosted.org/packages/23/ce/e082cd91f83f9c4d2a06749cd361511431db41d17c3c5f1a140c4491e502/lycon-0.1.9.tar.gz#sha256=a5c781fb843ddcf5f5eb1a5b2f16b6c71ebc043d4aa1d0c52cf24b818e770a5f (from https://pypi.org/simple/lycon/), version: 0.1.9
2019-07-12T13:51:20     Found link https://files.pythonhosted.org/packages/83/90/b3ff2cdd02dbb0a4ae25f77d6fe8ed8012e7896e59ed59eec78ccf9a92ad/lycon-0.2.0.tar.gz#sha256=30515e75d9cbd1ab68f432675c64aa7b955eaccb95987f0128cedcf5272afea4 (from https://pypi.org/simple/lycon/), version: 0.2.0
2019-07-12T13:51:20   Using version 0.2.0 (newest of versions: 0.2.0)
2019-07-12T13:51:20   Created temporary directory: /tmp/pip-unpack-ev5xahyz
2019-07-12T13:51:20   Downloading https://files.pythonhosted.org/packages/83/90/b3ff2cdd02dbb0a4ae25f77d6fe8ed8012e7896e59ed59eec78ccf9a92ad/lycon-0.2.0.tar.gz (129kB)
2019-07-12T13:51:20   Downloading from URL https://files.pythonhosted.org/packages/83/90/b3ff2cdd02dbb0a4ae25f77d6fe8ed8012e7896e59ed59eec78ccf9a92ad/lycon-0.2.0.tar.gz#sha256=30515e75d9cbd1ab68f432675c64aa7b955eaccb95987f0128cedcf5272afea4 (from https://pypi.org/simple/lycon/)
2019-07-12T13:51:21   Added lycon==0.2.0 from https://files.pythonhosted.org/packages/83/90/b3ff2cdd02dbb0a4ae25f77d6fe8ed8012e7896e59ed59eec78ccf9a92ad/lycon-0.2.0.tar.gz#sha256=30515e75d9cbd1ab68f432675c64aa7b955eaccb95987f0128cedcf5272afea4 to build tracker '/tmp/pip-req-tracker-b6i0_yz3'
2019-07-12T13:51:21     Running setup.py (path:/tmp/pip-wheel-1l725d20/lycon/setup.py) egg_info for package lycon
2019-07-12T13:51:21     Running command python setup.py egg_info
2019-07-12T13:51:22     running egg_info
2019-07-12T13:51:22     creating pip-egg-info/lycon.egg-info
2019-07-12T13:51:22     writing pip-egg-info/lycon.egg-info/PKG-INFO
2019-07-12T13:51:22     writing dependency_links to pip-egg-info/lycon.egg-info/dependency_links.txt
2019-07-12T13:51:22     writing requirements to pip-egg-info/lycon.egg-info/requires.txt
2019-07-12T13:51:22     writing top-level names to pip-egg-info/lycon.egg-info/top_level.txt
2019-07-12T13:51:22     writing manifest file 'pip-egg-info/lycon.egg-info/SOURCES.txt'
2019-07-12T13:51:23     reading manifest file 'pip-egg-info/lycon.egg-info/SOURCES.txt'
2019-07-12T13:51:23     reading manifest template 'MANIFEST.in'
2019-07-12T13:51:23     writing manifest file 'pip-egg-info/lycon.egg-info/SOURCES.txt'
2019-07-12T13:51:23   Source in /tmp/pip-wheel-1l725d20/lycon has version 0.2.0, which satisfies requirement lycon==0.2.0 from https://files.pythonhosted.org/packages/83/90/b3ff2cdd02dbb0a4ae25f77d6fe8ed8012e7896e59ed59eec78ccf9a92ad/lycon-0.2.0.tar.gz#sha256=30515e75d9cbd1ab68f432675c64aa7b955eaccb95987f0128cedcf5272afea4
2019-07-12T13:51:23   Removed lycon==0.2.0 from https://files.pythonhosted.org/packages/83/90/b3ff2cdd02dbb0a4ae25f77d6fe8ed8012e7896e59ed59eec78ccf9a92ad/lycon-0.2.0.tar.gz#sha256=30515e75d9cbd1ab68f432675c64aa7b955eaccb95987f0128cedcf5272afea4 from build tracker '/tmp/pip-req-tracker-b6i0_yz3'
2019-07-12T13:51:23 Building wheels for collected packages: lycon
2019-07-12T13:51:23   Created temporary directory: /tmp/pip-wheel-mq_804ks
2019-07-12T13:51:23   Building wheel for lycon (setup.py): started
2019-07-12T13:51:23   Destination directory: /tmp/pip-wheel-mq_804ks
2019-07-12T13:51:23   Running command /usr/bin/python3 -u -c 'import setuptools, tokenize;__file__='"'"'/tmp/pip-wheel-1l725d20/lycon/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /tmp/pip-wheel-mq_804ks
2019-07-12T13:51:24   running bdist_wheel
2019-07-12T13:51:24   running build
2019-07-12T13:51:24   running build_py
2019-07-12T13:51:25   creating build
2019-07-12T13:51:25   creating build/lib.linux-armv7l-3.7
2019-07-12T13:51:25   creating build/lib.linux-armv7l-3.7/lycon
2019-07-12T13:51:25   copying lycon/enum.py -> build/lib.linux-armv7l-3.7/lycon
2019-07-12T13:51:25   copying lycon/__init__.py -> build/lib.linux-armv7l-3.7/lycon
2019-07-12T13:51:25   copying lycon/core.py -> build/lib.linux-armv7l-3.7/lycon
2019-07-12T13:51:25   running egg_info
2019-07-12T13:51:25   writing lycon.egg-info/PKG-INFO
2019-07-12T13:51:25   writing dependency_links to lycon.egg-info/dependency_links.txt
2019-07-12T13:51:25   writing requirements to lycon.egg-info/requires.txt
2019-07-12T13:51:25   writing top-level names to lycon.egg-info/top_level.txt
2019-07-12T13:51:25   reading manifest file 'lycon.egg-info/SOURCES.txt'
2019-07-12T13:51:25   reading manifest template 'MANIFEST.in'
2019-07-12T13:51:25   writing manifest file 'lycon.egg-info/SOURCES.txt'
2019-07-12T13:51:25   running build_ext
2019-07-12T13:51:25   Source path is /tmp/pip-wheel-1l725d20/lycon
2019-07-12T13:51:25   -- The C compiler identification is GNU 8.3.0
2019-07-12T13:51:26   -- The CXX compiler identification is GNU 8.3.0
2019-07-12T13:51:26   -- Check for working C compiler: /usr/bin/cc
2019-07-12T13:51:27   -- Check for working C compiler: /usr/bin/cc -- works
2019-07-12T13:51:27   -- Detecting C compiler ABI info
2019-07-12T13:51:27   -- Detecting C compiler ABI info - done
2019-07-12T13:51:27   -- Detecting C compile features
2019-07-12T13:51:29   -- Detecting C compile features - done
2019-07-12T13:51:29   -- Check for working CXX compiler: /usr/bin/c++
2019-07-12T13:51:30   -- Check for working CXX compiler: /usr/bin/c++ -- works
2019-07-12T13:51:30   -- Detecting CXX compiler ABI info
2019-07-12T13:51:31   -- Detecting CXX compiler ABI info - done
2019-07-12T13:51:31   -- Detecting CXX compile features
2019-07-12T13:51:36   -- Detecting CXX compile features - done
2019-07-12T13:51:36   -- Found ZLIB: /usr/lib/arm-linux-gnueabihf/libz.so (found version "1.2.11")
2019-07-12T13:51:36   -- Found PNG: /usr/lib/arm-linux-gnueabihf/libpng.so (found version "1.6.36")
2019-07-12T13:51:37   -- Found JPEG: /usr/lib/arm-linux-gnueabihf/libjpeg.so (found version "62")
2019-07-12T13:51:37   -- Python binary: /usr/bin/python3
2019-07-12T13:51:37   -- Python include path: /usr/include/python3.7m
2019-07-12T13:51:37   -- Python library path: /usr/lib
2019-07-12T13:51:37   -- Python version: 3.7
2019-07-12T13:51:37   -- Expanding search for libpython
2019-07-12T13:51:37   -- Python library path: /usr/lib/arm-linux-gnueabihf/libpython3.7m.so
2019-07-12T13:51:38   -- NumPy include path: /usr/lib/python3/dist-packages/numpy/core/include
2019-07-12T13:51:38   -- Configuring done
2019-07-12T13:51:38   -- Generating done
2019-07-12T13:51:38   -- Build files have been written to: /tmp/pip-wheel-1l725d20/lycon/build/temp.linux-armv7l-3.7
2019-07-12T13:51:38   Starting build with 4 jobs
2019-07-12T13:51:39   Scanning dependencies of target lycon
2019-07-12T13:51:39   [  3%] Building CXX object CMakeFiles/lycon.dir/src/lycon/io/exif.cc.o
2019-07-12T13:51:39   [  7%] Building CXX object CMakeFiles/lycon.dir/src/lycon/io/base.cc.o
2019-07-12T13:51:39   [ 10%] Building CXX object CMakeFiles/lycon.dir/src/lycon/io/bitstream.cc.o
2019-07-12T13:51:39   [ 14%] Building CXX object CMakeFiles/lycon.dir/src/lycon/io/io.cc.o
2019-07-12T13:51:42   [ 17%] Building CXX object CMakeFiles/lycon.dir/src/lycon/io/jpeg.cc.o
2019-07-12T13:51:43   [ 21%] Building CXX object CMakeFiles/lycon.dir/src/lycon/io/png.cc.o
2019-07-12T13:51:44   [ 25%] Building CXX object CMakeFiles/lycon.dir/src/lycon/mat/allocator.cc.o
2019-07-12T13:51:48   [ 28%] Building CXX object CMakeFiles/lycon.dir/src/lycon/mat/convert.cc.o
2019-07-12T13:51:49   [ 32%] Building CXX object CMakeFiles/lycon.dir/src/lycon/mat/copy.cc.o
2019-07-12T13:51:49   [ 35%] Building CXX object CMakeFiles/lycon.dir/src/lycon/mat/io_array.cc.o
2019-07-12T13:51:50   [ 39%] Building CXX object CMakeFiles/lycon.dir/src/lycon/mat/iterator.cc.o
2019-07-12T13:51:54   [ 42%] Building CXX object CMakeFiles/lycon.dir/src/lycon/mat/mat.cc.o
2019-07-12T13:51:55   [ 46%] Building CXX object CMakeFiles/lycon.dir/src/lycon/mat/umat_data.cc.o
2019-07-12T13:51:59   In file included from /tmp/pip-wheel-1l725d20/lycon/src/lycon/mat/umat_data.h:4,
2019-07-12T13:51:59                    from /tmp/pip-wheel-1l725d20/lycon/src/lycon/mat/umat_data.cc:1:
2019-07-12T13:51:59   /tmp/pip-wheel-1l725d20/lycon/src/lycon/mat/umat_data.cc: In destructor ‘lycon::UMatData::~UMatData()’:
2019-07-12T13:51:59   /tmp/pip-wheel-1l725d20/lycon/src/lycon/util/error.h:31:35: warning: throw will always call terminate() [-Wterminate]
2019-07-12T13:51:59            throw RuntimeError(err_msg);          \
2019-07-12T13:51:59                                      ^
2019-07-12T13:51:59   /tmp/pip-wheel-1l725d20/lycon/src/lycon/util/error.h:40:9: note: in expansion of macro ‘LYCON_ERROR’
2019-07-12T13:51:59            LYCON_ERROR("Assertion Failure: `%s` evaluated to false in `%s` (%s:%d)", #expr, LYCON_Func, __FILE__, __LINE__)
2019-07-12T13:51:59            ^~~~~~~~~~~
2019-07-12T13:51:59   /tmp/pip-wheel-1l725d20/lycon/src/lycon/mat/umat_data.cc:33:5: note: in expansion of macro ‘LYCON_ASSERT’
2019-07-12T13:51:59        LYCON_ASSERT(mapcount == 0);
2019-07-12T13:51:59        ^~~~~~~~~~~~
2019-07-12T13:51:59   /tmp/pip-wheel-1l725d20/lycon/src/lycon/util/error.h:31:35: note: in C++11 destructors default to noexcept
2019-07-12T13:51:59            throw RuntimeError(err_msg);          \
2019-07-12T13:51:59                                      ^
2019-07-12T13:51:59   /tmp/pip-wheel-1l725d20/lycon/src/lycon/util/error.h:40:9: note: in expansion of macro ‘LYCON_ERROR’
2019-07-12T13:51:59            LYCON_ERROR("Assertion Failure: `%s` evaluated to false in `%s` (%s:%d)", #expr, LYCON_Func, __FILE__, __LINE__)
2019-07-12T13:51:59            ^~~~~~~~~~~
2019-07-12T13:51:59   /tmp/pip-wheel-1l725d20/lycon/src/lycon/mat/umat_data.cc:33:5: note: in expansion of macro ‘LYCON_ASSERT’
2019-07-12T13:51:59        LYCON_ASSERT(mapcount == 0);
2019-07-12T13:51:59        ^~~~~~~~~~~~
2019-07-12T13:51:59   [ 50%] Building CXX object CMakeFiles/lycon.dir/src/lycon/transform/resize.cc.o
2019-07-12T13:52:00   [ 53%] Building CXX object CMakeFiles/lycon.dir/src/lycon/transform/rotate.cc.o
2019-07-12T13:52:03   [ 57%] Building CXX object CMakeFiles/lycon.dir/src/lycon/util/alloc.cc.o
2019-07-12T13:52:05   [ 60%] Building CXX object CMakeFiles/lycon.dir/src/lycon/util/color.cc.o
2019-07-12T13:52:06   [ 64%] Building CXX object CMakeFiles/lycon.dir/src/lycon/util/file.cc.o
2019-07-12T13:52:08   [ 67%] Building CXX object CMakeFiles/lycon.dir/src/lycon/util/hardware.cc.o
2019-07-12T13:52:09   [ 71%] Building CXX object CMakeFiles/lycon.dir/src/lycon/util/parallel_pthreads.cc.o
2019-07-12T13:52:09   /tmp/pip-wheel-1l725d20/lycon/src/lycon/util/hardware.cc: In static member function ‘static lycon::HWFeatures lycon::HWFeatures::initialize()’:
2019-07-12T13:52:09   /tmp/pip-wheel-1l725d20/lycon/src/lycon/util/hardware.cc:108:47: error: ‘O_RDONLY’ was not declared in this scope
2019-07-12T13:52:09            int cpufile = open("/proc/self/auxv", O_RDONLY);
2019-07-12T13:52:09                                                  ^~~~~~~~
2019-07-12T13:52:09   /tmp/pip-wheel-1l725d20/lycon/src/lycon/util/hardware.cc:108:47: note: suggested alternative: ‘STA_RONLY’
2019-07-12T13:52:09            int cpufile = open("/proc/self/auxv", O_RDONLY);
2019-07-12T13:52:09                                                  ^~~~~~~~
2019-07-12T13:52:09                                                  STA_RONLY
2019-07-12T13:52:09   /tmp/pip-wheel-1l725d20/lycon/src/lycon/util/hardware.cc:108:23: error: ‘open’ was not declared in this scope
2019-07-12T13:52:09            int cpufile = open("/proc/self/auxv", O_RDONLY);
2019-07-12T13:52:09                          ^~~~
2019-07-12T13:52:09   /tmp/pip-wheel-1l725d20/lycon/src/lycon/util/hardware.cc:108:23: note: suggested alternative: ‘popen’
2019-07-12T13:52:09            int cpufile = open("/proc/self/auxv", O_RDONLY);
2019-07-12T13:52:09                          ^~~~
2019-07-12T13:52:09                          popen
2019-07-12T13:52:09   /tmp/pip-wheel-1l725d20/lycon/src/lycon/util/hardware.cc:112:13: error: ‘Elf32_auxv_t’ was not declared in this scope
2019-07-12T13:52:09                Elf32_auxv_t auxv;
2019-07-12T13:52:09                ^~~~~~~~~~~~
2019-07-12T13:52:09   /tmp/pip-wheel-1l725d20/lycon/src/lycon/util/hardware.cc:113:47: error: ‘auxv’ was not declared in this scope
2019-07-12T13:52:09                const size_t size_auxv_t = sizeof(auxv);
2019-07-12T13:52:09                                                  ^~~~
2019-07-12T13:52:09   /tmp/pip-wheel-1l725d20/lycon/src/lycon/util/hardware.cc:113:47: note: suggested alternative: ‘auto’
2019-07-12T13:52:09                const size_t size_auxv_t = sizeof(auxv);
2019-07-12T13:52:09                                                  ^~~~
2019-07-12T13:52:09                                                  auto
2019-07-12T13:52:09   /tmp/pip-wheel-1l725d20/lycon/src/lycon/util/hardware.cc:115:28: error: ‘read’ was not declared in this scope
2019-07-12T13:52:09                while ((size_t)read(cpufile, &auxv, size_auxv_t) == size_auxv_t)
2019-07-12T13:52:09                               ^~~~
2019-07-12T13:52:09   /tmp/pip-wheel-1l725d20/lycon/src/lycon/util/hardware.cc:115:28: note: suggested alternative: ‘fread’
2019-07-12T13:52:09                while ((size_t)read(cpufile, &auxv, size_auxv_t) == size_auxv_t)
2019-07-12T13:52:09                               ^~~~
2019-07-12T13:52:09                               fread
2019-07-12T13:52:09   /tmp/pip-wheel-1l725d20/lycon/src/lycon/util/hardware.cc:117:36: error: ‘AT_HWCAP’ was not declared in this scope
2019-07-12T13:52:09                    if (auxv.a_type == AT_HWCAP)
2019-07-12T13:52:09                                       ^~~~~~~~
2019-07-12T13:52:09   /tmp/pip-wheel-1l725d20/lycon/src/lycon/util/hardware.cc:125:13: error: ‘close’ was not declared in this scope
2019-07-12T13:52:09                close(cpufile);
2019-07-12T13:52:09                ^~~~~
2019-07-12T13:52:09   /tmp/pip-wheel-1l725d20/lycon/src/lycon/util/hardware.cc:125:13: note: suggested alternative: ‘clone’
2019-07-12T13:52:09                close(cpufile);
2019-07-12T13:52:09                ^~~~~
2019-07-12T13:52:09                clone
2019-07-12T13:52:09   make[2]: *** [CMakeFiles/lycon.dir/build.make:297: CMakeFiles/lycon.dir/src/lycon/util/hardware.cc.o] Error 1
2019-07-12T13:52:09   make[2]: *** Waiting for unfinished jobs....
2019-07-12T13:52:22   make[1]: *** [CMakeFiles/Makefile2:73: CMakeFiles/lycon.dir/all] Error 2
2019-07-12T13:52:22   make: *** [Makefile:84: all] Error 2
2019-07-12T13:52:22   	* Failed to build the Lycon native extension.
2019-07-12T13:52:22   	* [Error] Failed to exceute: /usr/bin/make -j 4
2019-07-12T13:52:22   Building wheel for lycon (setup.py): finished with status 'error'
2019-07-12T13:52:22   ERROR: Failed building wheel for lycon
2019-07-12T13:52:22   Running setup.py clean for lycon
2019-07-12T13:52:22   Running command /usr/bin/python3 -u -c 'import setuptools, tokenize;__file__='"'"'/tmp/pip-wheel-1l725d20/lycon/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' clean --all
2019-07-12T13:52:24   running clean
2019-07-12T13:52:24   removing 'build/temp.linux-armv7l-3.7' (and everything under it)
2019-07-12T13:52:24   removing 'build/lib.linux-armv7l-3.7' (and everything under it)
2019-07-12T13:52:24   'build/bdist.linux-armv7l' does not exist -- can't clean it
2019-07-12T13:52:24   'build/scripts-3.7' does not exist -- can't clean it
2019-07-12T13:52:24   removing 'build'
2019-07-12T13:52:24 Failed to build lycon
2019-07-12T13:52:24 Cleaning up...
2019-07-12T13:52:24   Removing source in /tmp/pip-wheel-1l725d20/lycon
2019-07-12T13:52:24 Removed build tracker '/tmp/pip-req-tracker-b6i0_yz3'
2019-07-12T13:52:24 ERROR: Failed to build one or more wheels
2019-07-12T13:52:24 Exception information:
2019-07-12T13:52:24 Traceback (most recent call last):
2019-07-12T13:52:24   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/cli/base_command.py", line 178, in main
2019-07-12T13:52:24     status = self.run(options, args)
2019-07-12T13:52:24   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/commands/wheel.py", line 178, in run
2019-07-12T13:52:24     "Failed to build one or more wheels"
2019-07-12T13:52:24 pip._internal.exceptions.CommandError: Failed to build one or more wheels