在centos7上部署出错了

[5279314]

[2021-11-05 15:30:32 +0800] [10436] [ERROR] Error handling request /datashow/?id=5&_=1636097429917
Traceback (most recent call last):
File "/usr/local/lib/python3.6/site-packages/gunicorn/workers/sync.py", line 136, in handle
self.handle_request(listener, req, client, addr)
File "/usr/local/lib/python3.6/site-packages/gunicorn/workers/sync.py", line 179, in handle_request
respiter = self.wsgi(environ, resp.start_response)
File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 2000, in call
return self.wsgi_app(environ, start_response)
File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1991, in wsgi_app
response = self.make_response(self.handle_exception(e))
File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1567, in handle_exception
reraise(exc_type, exc_value, tb)
File "/usr/local/lib/python3.6/site-packages/flask/_compat.py", line 33, in reraise
raise value
File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1988, in wsgi_app
response = self.full_dispatch_request()
File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1641, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1544, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/usr/local/lib/python3.6/site-packages/flask/_compat.py", line 33, in reraise
raise value
File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1639, in full_dispatch_request
rv = self.dispatch_request()
File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1625, in dispatch_request
return self.view_functionsrule.endpoint
File "/root/Pcap-Analyzer/app/views.py", line 106, in datashow
PCAPS[dataid].pdfdump(app.config['PDF_FOLDER'] + PDF_NAME)
File "/usr/local/lib/python3.6/site-packages/scapy/packet.py", line 526, in pdfdump
canvas = self.canvas_dump(**kargs)
File "/usr/local/lib/python3.6/site-packages/scapy/packet.py", line 542, in canvas_dump
raise ImportError("PyX and its depedencies must be installed")
ImportError: PyX and its depedencies must be installed

[root@moban Pcap-Analyzer-master]# pip3 list
Package Version

---

aiohttp 3.8.0
aiosignal 1.2.0
async-timeout 4.0.0
asynctest 0.13.0
attrs 21.2.0
backcall 0.2.0
certifi 2021.10.8
charset-normalizer 2.0.7
click 8.0.3
decorator 5.1.0
Flask 2.0.2
Flask-WTF 0.15.1
frozenlist 1.2.0
geoip2 4.4.0
gunicorn 20.1.0
idna 3.3
importlib-metadata 4.8.1
ipython 7.29.0
itsdangerous 2.0.1
jedi 0.18.0
Jinja2 3.0.2
MarkupSafe 2.0.1
matplotlib-inline 0.1.3
maxminddb 2.2.0
multidict 5.2.0
parso 0.8.2
pexpect 4.8.0
pickleshare 0.7.5
pip 21.3.1
prompt-toolkit 3.0.22
ptyprocess 0.7.0
Pygments 2.10.0
PyX 0.15
requests 2.26.0
scapy 2.4.5
scapy-python3 0.26
setuptools 47.1.0
traitlets 5.1.1
typing-extensions 3.10.0.2
urllib3 1.26.7
wcwidth 0.2.5
Werkzeug 2.0.2
WTForms 2.3.3
yarl 1.7.2
zipp 3.6.0