Output of pip3 install -r watcher.txt

gistfile1.txt

pip3 install -r watcher.txt
Collecting watchdog<1.0,>=0.8.2 (from -r watcher.txt (line 1))
  Using cached https://files.pythonhosted.org/packages/73/c3/ed6d992006837e011baca89476a4bbffb0a91602432f73bd4473816c76e2/watchdog-0.10.2.tar.gz
Requirement already satisfied: pathtools>=0.1.1 in /Users/gvantass/.pyenv/versions/3.8.2/lib/python3.8/site-packages (from watchdog<1.0,>=0.8.2->-r watcher.txt (line 1)) (0.1.2)
Installing collected packages: watchdog
  Running setup.py install for watchdog ... error
    ERROR: Command errored out with exit status 1:
     command: /Users/gvantass/.pyenv/versions/3.8.2/bin/python3.8 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/Users/gvantass/src/pip-install-mnuo07qq/watchdog/setup.py'"'"'; __file__='"'"'/Users/gvantass/src/pip-install-mnuo07qq/watchdog/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /Users/gvantass/src/pip-record-d9pglshl/install-record.txt --single-version-externally-managed --compile
         cwd: /Users/gvantass/src/pip-install-mnuo07qq/watchdog/
    Complete output (79 lines):
    running install
    running build
    running build_py
    creating build
    creating build/lib.macosx-10.15-x86_64-3.8
    creating build/lib.macosx-10.15-x86_64-3.8/watchdog
    copying src/watchdog/watchmedo.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog
    copying src/watchdog/version.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog
    copying src/watchdog/events.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog
    copying src/watchdog/__init__.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog
    creating build/lib.macosx-10.15-x86_64-3.8/watchdog/utils
    copying src/watchdog/utils/unicode_paths.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/utils
    copying src/watchdog/utils/compat.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/utils
    copying src/watchdog/utils/win32stat.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/utils
    copying src/watchdog/utils/__init__.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/utils
    copying src/watchdog/utils/dirsnapshot.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/utils
    copying src/watchdog/utils/delayed_queue.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/utils
    copying src/watchdog/utils/platform.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/utils
    copying src/watchdog/utils/bricks.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/utils
    copying src/watchdog/utils/echo.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/utils
    creating build/lib.macosx-10.15-x86_64-3.8/watchdog/observers
    copying src/watchdog/observers/fsevents.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/observers
    copying src/watchdog/observers/inotify.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/observers
    copying src/watchdog/observers/__init__.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/observers
    copying src/watchdog/observers/api.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/observers
    copying src/watchdog/observers/inotify_buffer.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/observers
    copying src/watchdog/observers/winapi.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/observers
    copying src/watchdog/observers/read_directory_changes.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/observers
    copying src/watchdog/observers/kqueue.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/observers
    copying src/watchdog/observers/inotify_c.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/observers
    copying src/watchdog/observers/polling.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/observers
    copying src/watchdog/observers/fsevents2.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/observers
    creating build/lib.macosx-10.15-x86_64-3.8/watchdog/tricks
    copying src/watchdog/tricks/__init__.py -> build/lib.macosx-10.15-x86_64-3.8/watchdog/tricks
    running egg_info
    writing src/watchdog.egg-info/PKG-INFO
    writing dependency_links to src/watchdog.egg-info/dependency_links.txt
    writing entry points to src/watchdog.egg-info/entry_points.txt
    writing requirements to src/watchdog.egg-info/requires.txt
    writing top-level names to src/watchdog.egg-info/top_level.txt
    reading manifest file 'src/watchdog.egg-info/SOURCES.txt'
    reading manifest template 'MANIFEST.in'
    warning: no files found matching '*.h' under directory 'src'
    writing manifest file 'src/watchdog.egg-info/SOURCES.txt'
    running build_ext
    building '_watchdog_fsevents' extension
    creating build/temp.macosx-10.15-x86_64-3.8
    creating build/temp.macosx-10.15-x86_64-3.8/src
    clang -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include -DWATCHDOG_VERSION_STRING="0.10.2" -DWATCHDOG_VERSION_MAJOR=0 -DWATCHDOG_VERSION_MINOR=10 -DWATCHDOG_VERSION_BUILD=2 -I/Users/gvantass/.pyenv/versions/3.8.2/include/python3.8 -c src/watchdog_fsevents.c -o build/temp.macosx-10.15-x86_64-3.8/src/watchdog_fsevents.o -std=c99 -pedantic -Wall -Wextra -fPIC -Wno-nullability-completeness -Wno-nullability-extension -Wno-newline-eof -Wno-error=unused-command-line-argument
    In file included from src/watchdog_fsevents.c:22:
    In file included from /Users/gvantass/.pyenv/versions/3.8.2/include/python3.8/Python.h:121:
    In file included from /Users/gvantass/.pyenv/versions/3.8.2/include/python3.8/genobject.h:11:
    In file included from /Users/gvantass/.pyenv/versions/3.8.2/include/python3.8/pystate.h:10:
    In file included from /Users/gvantass/.pyenv/versions/3.8.2/include/python3.8/pythread.h:120:
    /usr/local/include/pthread.h:331:6: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
    #if !_PTHREAD_SWIFT_IMPORTER_NULLABILITY_COMPAT
         ^
    /usr/local/include/pthread.h:200:2: note: expanded from macro '_PTHREAD_SWIFT_IMPORTER_NULLABILITY_COMPAT'
            defined(SWIFT_CLASS_EXTRA) && (!defined(SWIFT_SDK_OVERLAY_PTHREAD_EPOCH) || (SWIFT_SDK_OVERLAY_PTHREAD_EPOCH < 1))
            ^
    /usr/local/include/pthread.h:331:6: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
    /usr/local/include/pthread.h:200:34: note: expanded from macro '_PTHREAD_SWIFT_IMPORTER_NULLABILITY_COMPAT'
            defined(SWIFT_CLASS_EXTRA) && (!defined(SWIFT_SDK_OVERLAY_PTHREAD_EPOCH) || (SWIFT_SDK_OVERLAY_PTHREAD_EPOCH < 1))
                                            ^
    /usr/local/include/pthread.h:540:6: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
    #if !_PTHREAD_SWIFT_IMPORTER_NULLABILITY_COMPAT
         ^
    /usr/local/include/pthread.h:200:2: note: expanded from macro '_PTHREAD_SWIFT_IMPORTER_NULLABILITY_COMPAT'
            defined(SWIFT_CLASS_EXTRA) && (!defined(SWIFT_SDK_OVERLAY_PTHREAD_EPOCH) || (SWIFT_SDK_OVERLAY_PTHREAD_EPOCH < 1))
            ^
    /usr/local/include/pthread.h:540:6: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
    /usr/local/include/pthread.h:200:34: note: expanded from macro '_PTHREAD_SWIFT_IMPORTER_NULLABILITY_COMPAT'
            defined(SWIFT_CLASS_EXTRA) && (!defined(SWIFT_SDK_OVERLAY_PTHREAD_EPOCH) || (SWIFT_SDK_OVERLAY_PTHREAD_EPOCH < 1))
                                            ^
    4 warnings generated.
    clang -bundle -undefined dynamic_lookup -L/usr/local/opt/readline/lib -L/usr/local/opt/readline/lib -L/Users/gvantass/.pyenv/versions/3.8.2/lib -L/usr/local/opt/readline/lib -L/usr/local/opt/readline/lib -L/Users/gvantass/.pyenv/versions/3.8.2/lib -L/usr/local/opt/openssl/lib:/usr/local/git/bin:/sw/bin/:/usr/local/bin:/usr/local/:/usr/local/sbin:/usr/local/mysql/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/MacGPG2/bin:/opt/X11/bin:/Library/Apple/usr/bin export CPPFLAGS=-I/usr/local/opt/openssl/include:/usr/local/git/bin:/sw/bin/:/usr/local/bin:/usr/local/:/usr/local/sbin:/usr/local/mysql/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/MacGPG2/bin:/opt/X11/bin:/Library/Apple/usr/bin build/temp.macosx-10.15-x86_64-3.8/src/watchdog_fsevents.o -lm -o build/lib.macosx-10.15-x86_64-3.8/_watchdog_fsevents.cpython-38-darwin.so -framework CoreFoundation -framework CoreServices
    clang: error: no such file or directory: 'export'
    clang: error: no such file or directory: 'CPPFLAGS=-I/usr/local/opt/openssl/include:/usr/local/git/bin:/sw/bin/:/usr/local/bin:/usr/local/:/usr/local/sbin:/usr/local/mysql/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/MacGPG2/bin:/opt/X11/bin:/Library/Apple/usr/bin'
    error: command 'clang' failed with exit status 1
    ----------------------------------------
ERROR: Command errored out with exit status 1: /Users/gvantass/.pyenv/versions/3.8.2/bin/python3.8 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/Users/gvantass/src/pip-install-mnuo07qq/watchdog/setup.py'"'"'; __file__='"'"'/Users/gvantass/src/pip-install-mnuo07qq/watchdog/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /Users/gvantass/src/pip-record-d9pglshl/install-record.txt --single-version-externally-managed --compile Check the logs for full command output.
WARNING: You are using pip version 19.2.3, however version 20.0.2 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.