我正在尝试在MacBook上安装python-server-language，以便可以与Atom的Python IDE一起使用。但是当我运行命令pip install python-language-server时，出现了所有这些错误：
Using cached https://files.pythonhosted.org/packages/19/e1/7f1dbe80a08aea803d0c92dd372ebaa93d17563bf60d898d11b4e9c4c26b/python_language_server-0.31.6-py3-none-any.whl
Collecting ujson<=1.35; platform_system != "Windows"
Using cached https://files.pythonhosted.org/packages/16/c4/79f3409bc710559015464e5f49b9879430d8f87498ecdc335899732e5377/ujson-1.35.tar.gz
Requirement already satisfied: jedi<0.16,>=0.14.1 in /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages (from python-language-server) (0.15.2)
Requirement already satisfied: pluggy in /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages (from python-language-server) (0.13.1)
Collecting python-jsonrpc-server>=0.3.2
Using cached https://files.pythonhosted.org/packages/a2/41/5145d9e28f097372970004c5151fd0879f615ec086f3dc3722daf4c87268/python_jsonrpc_server-0.3.4-py3-none-any.whl
Requirement already satisfied: parso>=0.5.2 in /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages (from jedi<0.16,>=0.14.1->python-language-server) (0.5.2)
Requirement already satisfied: importlib-metadata>=0.12; python_version < "3.8" in /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages (from pluggy->python-language-server) (1.4.0)
Requirement already satisfied: zipp>=0.5 in /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages (from importlib-metadata>=0.12; python_version < "3.8"->pluggy->python-language-server) (2.0.0)
Requirement already satisfied: more-itertools in /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages (from zipp>=0.5->importlib-metadata>=0.12; python_version < "3.8"->pluggy->python-language-server) (8.1.0)
Building wheels for collected packages: ujson
Building wheel for ujson (setup.py) ... error
ERROR: Command errored out with exit status 1:
command: /Library/Frameworks/Python.framework/Versions/3.7/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/dy/bf594h1s5cq61n5xvbp1q_4m0000gn/T/pip-install-jboupnoc/ujson/setup.py'"'"'; __file__='"'"'/private/var/folders/dy/bf594h1s5cq61n5xvbp1q_4m0000gn/T/pip-install-jboupnoc/ujson/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/dy/bf594h1s5cq61n5xvbp1q_4m0000gn/T/pip-wheel-k_54icrp --python-tag cp37
cwd: /private/var/folders/dy/bf594h1s5cq61n5xvbp1q_4m0000gn/T/pip-install-jboupnoc/ujson/
Complete output (12 lines):
Warning: 'classifiers' should be a list, got type 'filter'
running bdist_wheel
running build
running build_ext
building 'ujson' extension
creating build
creating build/temp.macosx-10.9-x86_64-3.7
creating build/temp.macosx-10.9-x86_64-3.7/python
creating build/temp.macosx-10.9-x86_64-3.7/lib
gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -I./python -I./lib -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -c ./python/ujson.c -o build/temp.macosx-10.9-x86_64-3.7/./python/ujson.o -D_GNU_SOURCE
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
error: command 'gcc' failed with exit status 1
----------------------------------------
ERROR: Failed building wheel for ujson
Running setup.py clean for ujson
Failed to build ujson
Installing collected packages: ujson, python-jsonrpc-server, python-language-server
Running setup.py install for ujson ... error
ERROR: Command errored out with exit status 1:
command: /Library/Frameworks/Python.framework/Versions/3.7/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/dy/bf594h1s5cq61n5xvbp1q_4m0000gn/T/pip-install-jboupnoc/ujson/setup.py'"'"'; __file__='"'"'/private/var/folders/dy/bf594h1s5cq61n5xvbp1q_4m0000gn/T/pip-install-jboupnoc/ujson/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/dy/bf594h1s5cq61n5xvbp1q_4m0000gn/T/pip-record-yuso66st/install-record.txt --single-version-externally-managed --compile
cwd: /private/var/folders/dy/bf594h1s5cq61n5xvbp1q_4m0000gn/T/pip-install-jboupnoc/ujson/
Complete output (12 lines):
Warning: 'classifiers' should be a list, got type 'filter'
running install
running build
running build_ext
building 'ujson' extension
creating build
creating build/temp.macosx-10.9-x86_64-3.7
creating build/temp.macosx-10.9-x86_64-3.7/python
creating build/temp.macosx-10.9-x86_64-3.7/lib
gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -I./python -I./lib -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -c ./python/ujson.c -o build/temp.macosx-10.9-x86_64-3.7/./python/ujson.o -D_GNU_SOURCE
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
error: command 'gcc' failed with exit status 1
----------------------------------------
ERROR: Command errored out with exit status 1: /Library/Frameworks/Python.framework/Versions/3.7/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/dy/bf594h1s5cq61n5xvbp1q_4m0000gn/T/pip-install-jboupnoc/ujson/setup.py'"'"'; __file__='"'"'/private/var/folders/dy/bf594h1s5cq61n5xvbp1q_4m0000gn/T/pip-install-jboupnoc/ujson/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/dy/bf594h1s5cq61n5xvbp1q_4m0000gn/T/pip-record-yuso66st/install-record.txt --single-version-externally-managed --compile Check the logs for full command output.
有人可以帮我吗？我在MacOS Catalina上使用python 3.7。