我正试图通过终端使用以下命令安装"rasa_nlu"：
pip install rasa_nlu
但它显示了我不知道如何解决的错误：
Collecting rasa_nlu
Using cached rasa_nlu-0.15.1-py3-none-any.whl (147 kB)
Requirement already satisfied: boto3~=1.9 in ./opt/anaconda3/envs/allProjects/venv/lib/python3.8/site-packages (from rasa_nlu) (1.16.47)
Requirement already satisfied: tqdm~=4.19 in ./opt/anaconda3/envs/allProjects/venv/lib/python3.8/site-packages (from rasa_nlu) (4.50.2)
Requirement already satisfied: numpy>=1.16 in ./opt/anaconda3/envs/allProjects/venv/lib/python3.8/site-packages (from rasa_nlu) (1.18.5)
Requirement already satisfied: requests~=2.20 in ./opt/anaconda3/envs/allProjects/venv/lib/python3.8/site-packages (from rasa_nlu) (2.25.1)
Requirement already satisfied: s3transfer<0.4.0,>=0.3.0 in ./opt/anaconda3/envs/allProjects/venv/lib/python3.8/site-packages (from boto3~=1.9->rasa_nlu) (0.3.3)
Requirement already satisfied: jmespath<1.0.0,>=0.7.1 in ./opt/anaconda3/envs/allProjects/venv/lib/python3.8/site-packages (from boto3~=1.9->rasa_nlu) (0.10.0)
Requirement already satisfied: botocore<1.20.0,>=1.19.47 in ./opt/anaconda3/envs/allProjects/venv/lib/python3.8/site-packages (from boto3~=1.9->rasa_nlu) (1.19.47)
Requirement already satisfied: urllib3<1.27,>=1.25.4 in ./opt/anaconda3/envs/allProjects/venv/lib/python3.8/site-packages (from botocore<1.20.0,>=1.19.47->boto3~=1.9->rasa_nlu) (1.26.2)
Requirement already satisfied: python-dateutil<3.0.0,>=2.1 in ./opt/anaconda3/envs/allProjects/venv/lib/python3.8/site-packages (from botocore<1.20.0,>=1.19.47->boto3~=1.9->rasa_nlu) (2.8.1)
Collecting cloudpickle~=0.6.1
Using cached cloudpickle-0.6.1-py2.py3-none-any.whl (14 kB)
Collecting coloredlogs~=10.0
Using cached coloredlogs-10.0-py2.py3-none-any.whl (47 kB)
Requirement already satisfied: humanfriendly>=4.7 in ./opt/anaconda3/envs/allProjects/venv/lib/python3.8/site-packages (from coloredlogs~=10.0->rasa_nlu) (9.1)
Collecting future~=0.17.1
Using cached future-0.17.1.tar.gz (829 kB)
Collecting gevent~=1.3
Using cached gevent-1.5.0-cp38-cp38-macosx_10_9_x86_64.whl (1.8 MB)
Collecting greenlet>=0.4.14
Using cached greenlet-0.4.17.tar.gz (61 kB)
Collecting jsonschema~=2.6
Using cached jsonschema-2.6.0-py2.py3-none-any.whl (39 kB)
Collecting klein~=17.10
Using cached klein-17.10.0-py2.py3-none-any.whl (30 kB)
Requirement already satisfied: werkzeug in ./opt/anaconda3/envs/allProjects/venv/lib/python3.8/site-packages (from klein~=17.10->rasa_nlu) (1.0.1)
Requirement already satisfied: six in ./opt/anaconda3/envs/allProjects/venv/lib/python3.8/site-packages (from klein~=17.10->rasa_nlu) (1.15.0)
Collecting matplotlib~=2.2
Using cached matplotlib-2.2.5.tar.gz (36.7 MB)
ERROR: Command errored out with exit status 1:
command: /Users/zahraaal-nemer/opt/anaconda3/envs/allProjects/venv/bin/python -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/sm/bjkmpsf90ng76c26v82cg1j80000gn/T/pip-install-w584fd2l/matplotlib_052328d9a48d4df5b2eccca54a9fc129/setup.py'"'"'; __file__='"'"'/private/var/folders/sm/bjkmpsf90ng76c26v82cg1j80000gn/T/pip-install-w584fd2l/matplotlib_052328d9a48d4df5b2eccca54a9fc129/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'rn'"'"', '"'"'n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /private/var/folders/sm/bjkmpsf90ng76c26v82cg1j80000gn/T/pip-pip-egg-info-t9qjhxas
cwd: /private/var/folders/sm/bjkmpsf90ng76c26v82cg1j80000gn/T/pip-install-w584fd2l/matplotlib_052328d9a48d4df5b2eccca54a9fc129/
Complete output (106 lines):
IMPORTANT WARNING:
pkg-config is not installed.
matplotlib may not be able to find some of its dependencies
============================================================================
Edit setup.cfg to change the build options
BUILDING MATPLOTLIB
matplotlib: yes [2.2.5]
python: yes [3.8.5 (default, Sep 4 2020, 02:22:02) [Clang
10.0.0 ]]
platform: yes [darwin]
REQUIRED DEPENDENCIES AND EXTENSIONS
numpy: yes [version 1.18.5]
install_requires: yes [handled by setuptools]
libagg: yes [pkg-config information for 'libagg' could not
be found. Using local copy.]
freetype: no [The C/C++ header for freetype2 (ft2build.h)
could not be found. You may need to install the
development package.]
png: no [pkg-config information for 'libpng' could not
be found.]
qhull: yes [pkg-config information for 'libqhull' could not
be found. Using local copy.]
OPTIONAL SUBPACKAGES
sample_data: yes [installing]
toolkits: yes [installing]
tests: no [skipping due to configuration]
toolkits_tests: no [skipping due to configuration]
OPTIONAL BACKEND EXTENSIONS
macosx: yes [installing, darwin]
IMPORTANT WARNING:
pkg-config is not installed.
matplotlib may not be able to find some of its dependencies
IMPORTANT WARNING:
pkg-config is not installed.
matplotlib may not be able to find some of its dependencies
IMPORTANT WARNING:
pkg-config is not installed.
matplotlib may not be able to find some of its dependencies
IMPORTANT WARNING:
pkg-config is not installed.
matplotlib may not be able to find some of its dependencies
qt5agg: no [PySide2 not found; PyQt5 not found]
IMPORTANT WARNING:
pkg-config is not installed.
matplotlib may not be able to find some of its dependencies
IMPORTANT WARNING:
pkg-config is not installed.
matplotlib may not be able to find some of its dependencies
IMPORTANT WARNING:
pkg-config is not installed.
matplotlib may not be able to find some of its dependencies
IMPORTANT WARNING:
pkg-config is not installed.
matplotlib may not be able to find some of its dependencies
qt4agg: no [PySide not found; PyQt4 not found]
IMPORTANT WARNING:
pkg-config is not installed.
matplotlib may not be able to find some of its dependencies
IMPORTANT WARNING:
pkg-config is not installed.
matplotlib may not be able to find some of its dependencies
IMPORTANT WARNING:
pkg-config is not installed.
matplotlib may not be able to find some of its dependencies
IMPORTANT WARNING:
pkg-config is not installed.
matplotlib may not be able to find some of its dependencies
gtk3agg: no [Requires pygobject to be installed.]
IMPORTANT WARNING:
pkg-config is not installed.
matplotlib may not be able to find some of its dependencies
IMPORTANT WARNING:
pkg-config is not installed.
matplotlib may not be able to find some of its dependencies
IMPORTANT WARNING:
pkg-config is not installed.
matplotlib may not be able to find some of its dependencies
IMPORTANT WARNING:
pkg-config is not installed.
matplotlib may not be able to find some of its dependencies
gtk3cairo: no [Requires cairocffi or pycairo to be installed.]
gtkagg: no [Requires pygtk]
tkagg: yes [installing; run-time loading from Python Tcl /
Tk]
wxagg: no [requires wxPython]
gtk: no [Requires pygtk]
agg: yes [installing]
cairo: no [cairocffi or pycairo not found]
windowing: no [Microsoft Windows only]
OPTIONAL LATEX DEPENDENCIES
dvipng: no
ghostscript: no
latex: no
pdftops: no
OPTIONAL PACKAGE DATA
dlls: no [skipping due to configuration]
============================================================================
* The following required packages can not be built:
* freetype, png
----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
有人能帮我解决这个问题吗？到目前为止，我已经尝试了3天，但我找不到任何解决方案，因为我是使用rasa和python的初学者，需要的指导
此外，我正在使用MacOSX和Anaconda3
您可以从这里下载rasa_nlu wheel file。
然后使用pip install path/rasa_nlu-0.15.1-py3-none-any.whl进行安装。