我在尝试合并两个PDF文件。
以下是项目所需的Python和Django库，使用pipdeptree提取，保留了树的顶层，所有库都是最新的最大可用版本。
requirements.txt:

aiocontextvars==0.2.2
aiohttp==3.8.4
aiosignal==1.3.1
amqp==5.1.1
appnope==0.1.3
argparse==1.4.0
arrow==1.2.3
asgiref==3.6.0
asttokens==2.2.1
async-generator==1.10
async-timeout==4.0.2
attrs==23.1.0
autobahn==23.1.2
Automat==22.10.0
autopep8==2.0.2
backcall==0.2.0
bcrypt==4.0.1
beautifulsoup4==4.12.2
billiard==3.6.4.0 # max version
boto3==1.26.134
boto3-stubs==1.26.134
botocore==1.29.135
botocore-stubs==1.29.130
Brotli==1.0.9
cachetools==5.3.0
cairocffi==1.5.1
CairoSVG==2.7.0
case-conversion==2.1.0
celery==5.2.7
celery-stubs==0.1.3
certifi==2023.5.7
cffi==1.15.1
channels==4.0.0
channels-redis==4.1.0
charset-normalizer==3.1.0
click==8.1.3
click-didyoumean==0.3.0
click-plugins==1.1.1
click-repl==0.2.0
constantly==15.1.0
coverage==7.2.5
cryptography==40.0.2
cssselect2==0.7.0
daphne==4.0.0
debugpy==1.6.7
decorator==5.1.1
defusedxml==0.7.1
Deprecated==1.2.13
diff-match-patch==20230430
distlib==0.3.6
Django==4.1.9
django-admin-rangefilter==0.10.0
django-appconf==1.0.5
django-autoslug==1.9.9
django-cachalot==2.5.3
django-ckeditor==6.5.1
django-compressor==4.3.1
django-cors-headers==4.0.0
django-countries==7.5.1
django-debug-toolbar==4.1.0
django-email-extras==0.3.4
django-extensions==3.2.1
django-file-form==3.5.1
django-fixture-magic==0.1.5
django-formtools==2.4.1
django-grappelli==3.0.6
django-guardian==2.4.0
django-import-export==3.2.0
django-ipware==1.1.6 # update
django-js-asset==2.0.0
django-libsass==0.9
django-log-formatter-json==0.2.0
django-loginas==0.3.11
django-model-utils==4.3.1
django-modeltranslation==0.18.9
django-nested-inline==0.4.6
django-oauth-toolkit==2.2.0
django-otp==1.2.0
django-positions==0.6.0
django-recaptcha==3.0.0
django-redis==5.2.0
django-saml-sp==0.7.0
django-sesame==3.1
django-silk==5.0.3
django-social-share==2.3.0
django-sslserver==0.22
django-storages==1.13.2
django-stubs==4.2.0
django-stubs-ext==4.2.0
django-taggit==4.0.0
django-taggit-autosuggest==0.4.1
django-timezone-field==5.0
django-tinymce==3.6.1
django-tz-detect==0.4.0
django-webpack-loader==1.8.1
djangorestframework==3.14.0
djangorestframework-stubs==3.14.0
dnspython==2.3.0
#drf-api-tracking==1.8.2
easy-thumbnails==2.8.5
ecdsa==0.18.0
et-xmlfile==1.1.0
exceptiongroup==1.1.1
executing==1.2.0
extras==1.0.0
fabric==3.0.1
factory-boy==3.2.1
Faker==18.8.0
feedparser==6.0.10
filelock==3.12.0
fixtures==4.0.1
fonttools==4.39.4
frozenlist==1.3.3
funcy==2.0
furl==2.1.3
future==0.18.3
geographiclib==2.0
geoip2==4.7.0
geopy==2.3.0
google-api-core==2.11.0
google-auth==2.18.0
google-cloud-core==2.3.2
google-cloud-translate==3.11.1
googleapis-common-protos==1.59.0
gprof2dot==2022.7.29
greenlet==2.0.2
grpcio==1.54.2
grpcio-status==1.54.2
h11==0.14.0
html5lib==1.1
hyperlink==21.0.0
ics==0.7.2
idna==3.4
incremental==22.10.0
iniconfig==2.0.0
invoke==2.1.2
ipdb==0.13.13
ipython==8.13.2
ipython-genutils==0.2.0
isodate==0.6.1
jdcal==1.4.1
jedi==0.18.2
jmespath==1.0.1
josepy==1.13.0
Js2Py==0.74
jwcrypto==1.4.2
kombu==5.2.4
libcst==0.4.9
libsass==0.22.0
linecache2==1.0.0
lxml==4.9.2
mailchimp3==3.0.18
MarkupPy==1.14
matplotlib-inline==0.1.6
maxminddb==2.3.0
MonkeyType==23.3.0
more-itertools==9.1.0
mozilla-django-oidc==3.0.0
msgpack==1.0.5
msgpack-python==0.5.6
multidict==6.0.4
mypy==1.3.0
mypy-extensions==1.0.0
neovim==0.3.1
numpy==1.24.3
oauthlib==3.2.2
odfpy==1.4.1
openpyxl==3.1.2
orderedmultidict==1.0.1
outcome==1.2.0
packaging==23.1
pandas==2.0.1
paramiko==3.1.0
parso==0.8.3
pbr==5.11.1
pdfrw==0.4
pendulum==2.1.2
pexpect==4.8.0
pickleshare==0.7.5
Pillow==9.5.0
pip==23.1.2
pipdeptree==2.7.1
pipenv==2023.4.29
platformdirs==3.5.1
pluggy==1.0.0
profilehooks==1.12.0
prompt-toolkit==3.0.38
proto-plus==1.22.2
protobuf==4.23.0
psycopg2-binary==2.9.6
ptvsd==4.3.2
ptyprocess==0.7.0
pure-eval==0.2.2
py3-validate-email==1.0.5.post1
pyasn1==0.5.0
pyasn1-modules==0.3.0
pycairo==1.23.0
pycodestyle==2.10.0
pycparser==2.21
pycrypto==2.6.1
pydyf==0.6.0
Pygments==2.15.1
pyjsparser==2.7.1
PyJWT==2.7.0
PyNaCl==1.5.0
pynvim==0.4.3
pyOpenSSL==23.1.1
PyPDF2==3.0.1
pypdf==3.8.1
pyphen==0.14.0
pypng==0.20220715.0
PySocks==1.7.1
pytest==7.3.1
pytest-asyncio==0.21.0
pytest-django==4.5.2
python-dateutil==2.8.2
python-decouple==3.8
python-dotenv==1.0.0
python-gnupg==0.5.0
python-magic==0.4.27
python-mimeparse==1.6.0
python3-saml==1.15.0
pytz==2023.3
pytzdata==2020.1
PyVimeo==1.1.0
PyYAML==6.0
qrcode==7.4.2
rcssmin==1.1.1
redis==4.5.5
regex==2023.5.5
requests==2.30.0
requests-oauthlib==1.3.1
rjsmin==1.2.1
roman==4.0
rsa==4.9
s3transfer==0.6.1
selenium==4.9.1
sentry-sdk==1.23.0
service-identity==21.1.0
setuptools==67.7.2
sgmllib3k==1.0.0
simplegeneric==0.8.1
simplejson==3.19.1
six==1.16.0
sniffio==1.3.0
sorl-thumbnail==12.9.0
sortedcontainers==2.4.0
soupsieve==2.4.1
sphinx-me==0.3
sqlparse==0.4.4
stack-data==0.6.2
stripe==5.4.0
tablib==3.4.0
TatSu==5.8.3
tblib==1.7.0
testtools==2.6.0
tinycss2==1.2.1
tinydb==4.7.1
tomli==2.0.1
traceback2==1.4.0
traitlets==5.9.0
trio==0.22.0
trio-websocket==0.10.2
tuspy==1.0.0
Twisted==22.10.0
txaio==23.1.1
types-awscrt==0.16.17
types-pytz==2023.3.0.0
types-PyYAML==6.0.12.9
types-requests==2.30.0.0
types-s3transfer==0.6.1
types-urllib3==1.26.25.13
typing_extensions==4.5.0
typing-inspect==0.8.0
tzdata==2023.3
tzlocal==5.0.1
unicodecsv==0.14.1
Unidecode==1.3.6
unittest-xml-reporting==3.2.0
unittest2==1.1.0
urllib3==1.26.15 # max version
vine==5.0.0
virtualenv==20.23.0
virtualenv-clone==0.5.7
vishap==0.1.5
watchtower==3.0.1
wcwidth==0.2.6
weasyprint==59.0
webencodings==0.5.1
wheel==0.40.0
wrapt==1.15.0
wsproto==1.2.0
xlrd==2.0.1
xlwt==1.3.0
xmlsec==1.3.13
yarl==1.9.2
zope.interface==6.0
zopfli==0.2.2

得到了这个错误。

File "/code/aca_django/certificates/utils.py", line 10, in <module>
  from pypdf import PdfMerger
File "/usr/local/lib/python3.10/site-packages/pypdf/__init__.py", line 10, in <module>
  from ._encryption import PasswordType
File "/usr/local/lib/python3.10/site-packages/pypdf/_encryption.py", line 68, in <module>
  from Crypto.Cipher import AES, ARC4  # type: ignore[import]
File "/usr/local/lib/python3.10/site-packages/Crypto/Cipher/ARC4.py", line 119, in <module>
  key_size = xrange(1,256+1)
NameError: name 'xrange' is not defined. Did you mean: 'range'?

我试过这些进口货。

from PyPDF2 import PdfMerger
  orr
from PyPDF2 import PdfFileMerger
  or 
from pypdf import PdfMerger

但也犯了同样的错误。你知道吗？谢谢。