ERROR: Complete output from command /Users/edwardnaftaly/testa1/bin/python -u -c 'import setuptools, tokenize;__file__='"'"'/private/var/folders/8g/kctpxnyj6tv2msksrnkfkhz40000gp/T/pip-install-k7y8vr8k/mysqlclient/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'rn'"'"', '"'"'n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/8g/kctpxnyj6tv2msksrnkfkhz40000gp/T/pip-record-127mgnt8/install-record.txt --single-version-externally-managed --compile --install-headers /Users/edwardnaftaly/testa1/include/site/python3.7/mysqlclient:
    ERROR: running install
    running build
    running build_py
    creating build
    creating build/lib.macosx-10.13-x86_64-3.7
    creating build/lib.macosx-10.13-x86_64-3.7/MySQLdb
    copying MySQLdb/__init__.py -> build/lib.macosx-10.13-x86_64-3.7/MySQLdb
    copying MySQLdb/_exceptions.py -> build/lib.macosx-10.13-x86_64-3.7/MySQLdb
    copying MySQLdb/compat.py -> build/lib.macosx-10.13-x86_64-3.7/MySQLdb
    copying MySQLdb/connections.py -> build/lib.macosx-10.13-x86_64-3.7/MySQLdb
    copying MySQLdb/converters.py -> build/lib.macosx-10.13-x86_64-3.7/MySQLdb
    copying MySQLdb/cursors.py -> build/lib.macosx-10.13-x86_64-3.7/MySQLdb
    copying MySQLdb/release.py -> build/lib.macosx-10.13-x86_64-3.7/MySQLdb
    copying MySQLdb/times.py -> build/lib.macosx-10.13-x86_64-3.7/MySQLdb
    creating build/lib.macosx-10.13-x86_64-3.7/MySQLdb/constants
    copying MySQLdb/constants/__init__.py -> build/lib.macosx-10.13-x86_64-3.7/MySQLdb/constants
    copying MySQLdb/constants/CLIENT.py -> build/lib.macosx-10.13-x86_64-3.7/MySQLdb/constants
    copying MySQLdb/constants/CR.py -> build/lib.macosx-10.13-x86_64-3.7/MySQLdb/constants
    copying MySQLdb/constants/ER.py -> build/lib.macosx-10.13-x86_64-3.7/MySQLdb/constants
    copying MySQLdb/constants/FIELD_TYPE.py -> build/lib.macosx-10.13-x86_64-3.7/MySQLdb/constants
    copying MySQLdb/constants/FLAG.py -> build/lib.macosx-10.13-x86_64-3.7/MySQLdb/constants
    running build_ext
    building 'MySQLdb._mysql' extension
    creating build/temp.macosx-10.13-x86_64-3.7
    creating build/temp.macosx-10.13-x86_64-3.7/MySQLdb
    clang -DNDEBUG -g -fwrapv -O3 -Wall -Qunused-arguments -Qunused-arguments -Dversion_info=(1,4,2,'post',1) -D__version__=1.4.2.post1 -I/usr/local/mysql/include -I/usr/local/include -I/usr/local/opt/openssl/include -I/usr/local/opt/sqlite/include -I/Users/edwardnaftaly/testa1/include -I/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/include/python3.7m -c MySQLdb/_mysql.c -o build/temp.macosx-10.13-x86_64-3.7/MySQLdb/_mysql.o
    xcrun: error: invalid active developer path (/Applications/Xcode.app/Contents/Developer), missing xcrun at: /Applications/Xcode.app/Contents/Developer/usr/bin/xcrun
    error: command 'clang' failed with exit status 1
    ----------------------------------------
ERROR: Command "/Users/edwardnaftaly/testa1/bin/python -u -c 'import setuptools, tokenize;__file__='"'"'/private/var/folders/8g/kctpxnyj6tv2msksrnkfkhz40000gp/T/pip-install-k7y8vr8k/mysqlclient/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'rn'"'"', '"'"'n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/8g/kctpxnyj6tv2msksrnkfkhz40000gp/T/pip-record-127mgnt8/install-record.txt --single-version-externally-managed --compile --install-headers /Users/edwardnaftaly/testa1/include/site/python3.7/mysqlclient" failed with error code 1 in /private/var/folders/8g/kctpxnyj6tv2msksrnkfkhz40000gp/T/pip-install-k7y8vr8k/mysqlclient/