sudo pip install plotnine
...PRUNED BY ME...
    In file included from /usr/include/python3.7m/Python.h:128,
                     from _proj.c:4:
    /usr/include/python3.7m/abstract.h:500:17: note: declared here
     PyAPI_FUNC(int) PyObject_AsWriteBuffer(PyObject *obj,
                     ^~~~~~~~~~~~~~~~~~~~~~
    _proj.c: In function ‘__Pyx_ExceptionSave’:
    _proj.c:7421:21: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_type’; did you mean ‘curexc_type’?
         *type = tstate->exc_type;
                         ^~~~~~~~
                         curexc_type
    _proj.c:7422:22: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_value’; did you mean ‘curexc_value’?
         *value = tstate->exc_value;
                          ^~~~~~~~~
                          curexc_value
    _proj.c:7423:19: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_traceback’; did you mean ‘curexc_traceback’?
         *tb = tstate->exc_traceback;
                       ^~~~~~~~~~~~~
                       curexc_traceback
    _proj.c: In function ‘__Pyx_ExceptionReset’:
    _proj.c:7435:24: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_type’; did you mean ‘curexc_type’?
         tmp_type = tstate->exc_type;
                            ^~~~~~~~
                            curexc_type
    _proj.c:7436:25: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_value’; did you mean ‘curexc_value’?
         tmp_value = tstate->exc_value;
                             ^~~~~~~~~
                             curexc_value
    _proj.c:7437:22: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_traceback’; did you mean ‘curexc_traceback’?
         tmp_tb = tstate->exc_traceback;
                          ^~~~~~~~~~~~~
                          curexc_traceback
    _proj.c:7438:13: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_type’; did you mean ‘curexc_type’?
         tstate->exc_type = type;
                 ^~~~~~~~
                 curexc_type
    _proj.c:7439:13: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_value’; did you mean ‘curexc_value’?
         tstate->exc_value = value;
                 ^~~~~~~~~
                 curexc_value
    _proj.c:7440:13: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_traceback’; did you mean ‘curexc_traceback’?
         tstate->exc_traceback = tb;
                 ^~~~~~~~~~~~~
                 curexc_traceback
    _proj.c: In function ‘__Pyx_GetException’:
    _proj.c:7483:24: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_type’; did you mean ‘curexc_type’?
         tmp_type = tstate->exc_type;
                            ^~~~~~~~
                            curexc_type
    _proj.c:7484:25: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_value’; did you mean ‘curexc_value’?
         tmp_value = tstate->exc_value;
                             ^~~~~~~~~
                             curexc_value
    _proj.c:7485:22: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_traceback’; did you mean ‘curexc_traceback’?
         tmp_tb = tstate->exc_traceback;
                          ^~~~~~~~~~~~~
                          curexc_traceback
    _proj.c:7486:13: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_type’; did you mean ‘curexc_type’?
         tstate->exc_type = local_type;
                 ^~~~~~~~
                 curexc_type
    _proj.c:7487:13: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_value’; did you mean ‘curexc_value’?
         tstate->exc_value = local_value;
                 ^~~~~~~~~
                 curexc_value
    _proj.c:7488:13: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_traceback’; did you mean ‘curexc_traceback’?
         tstate->exc_traceback = local_tb;
                 ^~~~~~~~~~~~~
                 curexc_traceback
    error: command 'gcc' failed with exit status 1