(venv) MacBook-Pro-de-Theo:animation theobessel$ pip3 install pycairo
Collecting pycairo
  Using cached pycairo-1.19.1.tar.gz (205 kB)
Building wheels for collected packages: pycairo
  Building wheel for pycairo (setup.py) ... error
  ERROR: Command errored out with exit status 1:
   command: /Users/theobessel/animation/venv/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/sg/3x07nk8551d7wh880kzyf3r40000gn/T/pip-install-9xgwbsu1/pycairo/setup.py'"'"'; __file__='"'"'/private/var/folders/sg/3x07nk8551d7wh880kzyf3r40000gn/T/pip-install-9xgwbsu1/pycairo/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 /private/var/folders/sg/3x07nk8551d7wh880kzyf3r40000gn/T/pip-wheel-um0mnr_r
       cwd: /private/var/folders/sg/3x07nk8551d7wh880kzyf3r40000gn/T/pip-install-9xgwbsu1/pycairo/
  Complete output (15 lines):
  running bdist_wheel
  running build
  running build_py
  creating build
  creating build/lib.macosx-10.15-x86_64-3.7
  creating build/lib.macosx-10.15-x86_64-3.7/cairo
  copying cairo/__init__.py -> build/lib.macosx-10.15-x86_64-3.7/cairo
  copying cairo/__init__.pyi -> build/lib.macosx-10.15-x86_64-3.7/cairo
  copying cairo/py.typed -> build/lib.macosx-10.15-x86_64-3.7/cairo
  running build_ext
  Package pixman-1 was not found in the pkg-config search path.
  Perhaps you should add the directory containing `pixman-1.pc'
  to the PKG_CONFIG_PATH environment variable
  Package 'pixman-1', required by 'cairo', not found
  Command '['pkg-config', '--print-errors', '--exists', 'cairo >= 1.13.1']' returned non-zero exit status 1.
  ----------------------------------------
  ERROR: Failed building wheel for pycairo
  Running setup.py clean for pycairo
Failed to build pycairo
Installing collected packages: pycairo
    Running setup.py install for pycairo ... error
    ERROR: Command errored out with exit status 1:
     command: /Users/theobessel/animation/venv/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/sg/3x07nk8551d7wh880kzyf3r40000gn/T/pip-install-9xgwbsu1/pycairo/setup.py'"'"'; __file__='"'"'/private/var/folders/sg/3x07nk8551d7wh880kzyf3r40000gn/T/pip-install-9xgwbsu1/pycairo/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/sg/3x07nk8551d7wh880kzyf3r40000gn/T/pip-record-vkvw7xq5/install-record.txt --single-version-externally-managed --compile --install-headers /Users/theobessel/animation/venv/include/site/python3.7/pycairo
         cwd: /private/var/folders/sg/3x07nk8551d7wh880kzyf3r40000gn/T/pip-install-9xgwbsu1/pycairo/
    Complete output (15 lines):
    running install
    running build
    running build_py
    creating build
    creating build/lib.macosx-10.15-x86_64-3.7
    creating build/lib.macosx-10.15-x86_64-3.7/cairo
    copying cairo/__init__.py -> build/lib.macosx-10.15-x86_64-3.7/cairo
    copying cairo/__init__.pyi -> build/lib.macosx-10.15-x86_64-3.7/cairo
    copying cairo/py.typed -> build/lib.macosx-10.15-x86_64-3.7/cairo
    running build_ext
    Package pixman-1 was not found in the pkg-config search path.
    Perhaps you should add the directory containing `pixman-1.pc'
    to the PKG_CONFIG_PATH environment variable
    Package 'pixman-1', required by 'cairo', not found
    Command '['pkg-config', '--print-errors', '--exists', 'cairo >= 1.13.1']' returned non-zero exit status 1.
    ----------------------------------------
ERROR: Command errored out with exit status 1: /Users/theobessel/animation/venv/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/sg/3x07nk8551d7wh880kzyf3r40000gn/T/pip-install-9xgwbsu1/pycairo/setup.py'"'"'; __file__='"'"'/private/var/folders/sg/3x07nk8551d7wh880kzyf3r40000gn/T/pip-install-9xgwbsu1/pycairo/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/sg/3x07nk8551d7wh880kzyf3r40000gn/T/pip-record-vkvw7xq5/install-record.txt --single-version-externally-managed --compile --install-headers /Users/theobessel/animation/venv/include/site/python3.7/pycairo Check the logs for full command output.