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Bash script gives psycopg2 error: symbol not found in flat namespace (_PQbackendPID)?

I am using Apple M1. Here is the bash script I wrote.
#!/bin/sh
# Open Activity Tracker website
python -m webbrowser http://127.0.0.1:8000/
# Activate virtual environment
. dj-env/bin/activate
# Navigate to Activity Tracker project folder
cd dj_activity_tracker
# Run Django local development server
python manage.py runserver
When you run manually are you doing that in the same virtualenv? Yes.
Are you doing the installs into the virtualenv? Yes.
What version of psycopg? Within my virtual environment, I run "pip show psycopg2-binary". It outputs "Version: 2.9.5".
When I run these commands on my terminal manually without the script, it works. However, when I use this script, I get the error:
File "/Users/doge/Desktop/dj-env/lib/python3.11/site-packages/django/db/backends/postgresql/base.py", line 28, in \<module\>
raise ImproperlyConfigured("Error loading psycopg2 module: %s" % e)
django.core.exceptions.ImproperlyConfigured: Error loading psycopg2 module: dlopen(/Users/doge/Desktop/dj-env/lib/python3.11/site-packages/psycopg2/\_psycopg.cpython-311-darwin.so, 0x0002): symbol not found in flat namespace (\_PQbackendPID)
Things I have tried:
Uninstall/reinstall psycopg2
brew install postgresql
I am stumped on how this is working manually but not when I run the script. What could be the issue? I appreciate your support.

cannot import name 'colored' from 'termcolor' [duplicate]

I am trying to start learning python bottle framework, I've installed python 2.7.11, and installed pip too, I've installed bottle using
pip install bottle
Collecting bottle
Using cached bottle-0.12.9.tar.gz
Installing collected packages: bottle
Running setup.py install for bottle ... done
Successfully installed bottle-0.12.9
Now I tried to run the example code from bottle website
from bottle import route, run, template
#route('/hello/<name>')
def index(name):
return template('<b>Hello {{name}}</b>!', name=name)
run(host='localhost', port=8080)
when I run this code it throws the following error
Traceback (most recent call last):
File "C:/Users/SID/Desktop/bottle.py", line 1, in <module>
from bottle import route, run, template
File "C:/Users/SID/Desktop\bottle.py", line 1, in <module>
from bottle import route, run, template
ImportError: cannot import name route
I don't know what went wrong could some one guide me, Is it the error with the code? or in bottle installation?
Note: I Tried python 3.4.3 too still facing same error while running program and I'm using windows 8.1 in virtual box

You have bottle.py file within your project folder. Problem occurred because python module C:/Users/SID/Desktop/bottle.py shadowed bottle.py module which installed by pip. Rename file which shadow real bottle.py module to fix import problem.
Location of file which shall be renamed is C:/Users/SID/Desktop/bottle.py.

When a module named bottle is imported, the interpreter first searches for a built-in module with that name. If not found, as in this case it then searches for a file named bottle.py in a list of directories given by the variable sys.path. sys.path is initialized from these locations:
the directory containing the input script (or the current directory).
PYTHONPATH (a list of directory names, with the same syntax as the shell variable PATH).
the installation-dependent default.
Make sure bottle is in PYTHONPATH. More info on PYTHONPATH here

ImportError libssl.so.6: cannot open shared object file error even after having the file in the path

I am getting following error even after having following packages installed. Recently os has been upgraded and python has been updated from 2.5 to 2.7 and before that application was using 2.7.11 which is installed on local folder.
After up gradation I am unable to run my scirpts and getting following ssl error.
File "/itStorage/tools/swutils/pylibs/shu/common.py", line 5, in <module>
import ssl
File "/itStorage/tools/swutils/deps/python_2.7.11/lib/python2.7/ssl.py", line 97, in
import _ssl # if we can't import it, let the error propagate
ImportError: libssl.so.6: cannot open shared object file: No such file or directory
After searching google it may be due to openssl packages or libssl path. we have every thing in place even after that we having issue.
[aafedc#afeae ~]$ sudo rpm -qa *openssl*
openssl-1.0.2k-8.el7.x86_64
openssl-devel-1.0.2k-8.el7.x86_64
openssl-libs-1.0.2k-8.el7.i686
openssl-libs-1.0.2k-8.el7.x86_64
openssl098e-0.9.8e-29.el7_2.3.i686
[abcd#abcd ~]$ sudo ls -l /usr/lib/libssl.so.6*
lrwxrwxrwx. 1 root root 16 May 25 03:34 /usr/lib/libssl.so.6 -> libssl.so.0.9.8e
any help is greatly appropriated!!..
Thanks in advance.

You could try to run the script using strace, then you should see what fails.. I'm not sure but I think it could be a missing dependency of libssl as well or permissions problem.

How to resolve cannot import name pages (django/wagtail)

Recently I have been trying to get wagtail to work with my existing Django application. I was experiencing an error: -
ImportError: No module named wagtail
unable to load app 0 (mountpoint='') (callable not found or import error)
After much troubleshooting I managed to fix this, by copying the folder wagtail from:
/usr/local/lib/python2.7/dist-packages/
into here
/opt/django/src/
Having resolved this error, I received another about a different module, and another... each time I copied the folder from /usr/local/lib/python2.7/dist-packages/ into /opt/django/src/ and it eventually resolved the issues I was having and uWSGI started.
Now when I access the homepage of my app, I receive this error
ImportError at /
cannot import name pages
Request Method: GET
Request URL: http://example.com
Django Version: 1.9
Exception Type: ImportError
Exception Value:
cannot import name pages
Exception Location: ./wagtail/wagtailadmin/urls/__init__.py in <module>, line 4
Python Executable: /usr/local/bin/uwsgi
Python Version: 2.7.3
Python Path:
['.',
'',
'/opt/django/src',
'/root/.python',
'/opt/django/env/lib/python2.7',
'/opt/django/env/lib/python2.7/plat-linux2',
'/opt/django/env/lib/python2.7/lib-tk',
'/opt/django/env/lib/python2.7/lib-old',
'/opt/django/env/lib/python2.7/lib-dynload',
'/usr/lib/python2.7',
'/usr/lib/python2.7/plat-linux2',
'/usr/lib/python2.7/lib-tk',
'/opt/django/env/local/lib/python2.7/site-packages',
'/opt/django/env/lib/python2.7/site-packages']
I have checked the file referenced (./wagtail/wagtailadmin/urls/__init__.py) and it looks like this:
from django.conf.urls import url, include
from django.views.decorators.cache import cache_control
from wagtail.wagtailadmin.urls import pages as wagtailadmin_pages_urls
from wagtail.wagtailadmin.urls import collections as wagtailadmin_collections_urls
from wagtail.wagtailadmin.urls import password_reset as wagtailadmin_password_reset_urls
from wagtail.wagtailadmin.views import account, chooser, home, pages, tags, userbar
from wagtail.wagtailadmin.api import urls as api_urls
from wagtail.wagtailcore import hooks
from wagtail.utils.urlpatterns import decorate_urlpatterns
from wagtail.wagtailadmin.decorators import require_admin_access
The offending line is the first wagtail 'from' ...
from wagtail.wagtailadmin.urls import pages as wagtailadmin_pages_urls
How can I resolve this error?

I've ran a few tests on wagtail setup. I made each test in a fresh Ubuntu 14 install (each test in a new workspace on Cloud9 IDE).
Test 1: Straight python 2.7
sudo pip install wagtail
ERRO: error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
Comment: Lots of x86_64-linux-gnu-gcc: error: build/temp.linux-x86_64-2.7/libImaging/codec_fd.o: No such file or directory errors were output.
Didn't work.
Test 2 - Python 2.7 with virtualenv
sudo pip install virtualenv
virtualenv env
source env/bin/activate
Now from their github https://github.com/wagtail/wagtail
pip install wagtail
out: Successfully installed Django-1.10.7 Pillow-4.1.1 Unidecode-0.4.20 Willow-0.4 beautifulsoup4-4.5.3 django-modelcluster-3.1 django-taggit-0.22.1 django-treebeard-4.1.0 djangorestframework-3.6.2 html5lib-0.999999999 olefile-0.44 pytz-2017.2 requests-2.13.0 wagtail-1.9.1 webencodings-0.5.1
wagtail start mysite
cd mysite
python manage.py migrate
python manage.py createsuperuser
python manage.py runserver
I had to edit the settings/dev.py and include ALLOWED_HOSTS = ['*'] because I'm on cloud 9. Also needed the $IP:$PORT after runserver. WORKED!
Test3 - Python 3.4 with virtualenv
sudo pip3 install virtualenv
virtualenv -p python3 env
source env/bin/activate
pip install wagtail
Successfully installed Django-1.10.7 Pillow-4.1.1 Unidecode-0.4.20 Willow-0.4 beautifulsoup4-4.5.3 django-modelcluster-3.1 django-taggit-0.22.1 django-treebeard-4.1.0 djangorestframework-3.6.2 html5lib-0.999999999 olefile-0.44 pytz-2017.2 requests-2.13.0 wagtail-1.9.1 webencodings-0.5.1
Rest of the command are the same. And it WORKED!
Test 4 - Python 3.4 no virtualenv
sudo pip3 install wagtail
out: Successfully installed wagtail django-taggit requests Unidecode Django djangorestframework Pillow beautifulsoup4 Willow django-modelcluster django-treebeard olefile pytz
wagtail start mysite
python3 manage.py migrate
python3 manage.py createsuperuser
python3 manage.py runserver
EDIT: Made a mistake. Should've run with python3, not python in this case. Did it again and worked!
Conclusion: Looks that you need a virtualenv for this to work on Ubuntu 14 and python2. With python3 it works with and without virtualenv. I could not reproduce your error, but the idea is the same: it does not work because it looks for stuff in the wrong place.
Comments: There are two things you mention that I could not test:
I have been trying to get wagtail to work with my existing Django
application
With this big amount of heavy dependencies, (Pillow, Django rest, beatifullsoup and others I've never heard of) it would be strange if it worked out of the box with a previous setup. I mean, Django is a dependency for wagtail. So I would try the other way around. Start fresh with wagtail and port your code there (with python3 for the sake of the community ;) ). Also this manual copy of files is like programmers worst nightmare (at least to me). This looks like a version problem. Try to post the versions of everything involved, and the exact steps to reproduce the issue. I mean, did you pip install wagtail in the operating system that django was running?
I was having and uWSGI started.
So you have your app deployed already? This complicates things. If versions and virtualenv do not solve your problem, community needs setup details of deploy. Also you haven't mentioned your operational system.
I hope this helps! Good Luck!

I ran into the
cannot import name pages
error at:
from wagtail.wagtailadmin.urls import pages as wagtailadmin_pages_urls
while trying to deploy a wagtail app to Google App Engine and could not duplicate the problem on my local dev server.
A seemingly unrelated error that I saw only intermittently in GAE involved an import error in the PIL library. I was able to resolve BOTH errors by deleting PIL and pillow related folders from my vendored packages in my /lib directory. I had to import PIL through the app.yaml file instead due to the platform specific binary, but running pip install -t lib/ -r requirements-vendor.txt caused PIL to be installed into the lib folder as well (as a dependency of Wagtail)

Basic Flask Issue w/ Importing

I'm following a Flask tutorial and am getting an import error. I have a file called run.py which contains:
from app import app
app.run(debug = True)
When I run ./run.py, I get:
Traceback (most recent call last):
File "./run.py", line 2, in <module>
from app import app
File "/Users/myName/Desktop/SquashScraper/app/__init__.py", line 1, in <module>
from flask import Flask
ImportError: cannot import name Flask
This seems similar to this issue: http://stackoverflow.com/questions/26960235/python3-cannot-import-name-flask
So I attempted the checked solution by running:
virtualenv -p /usr/bin/python3 my_py3_env
Unfortunately, I get:
The executable /usr/bin/python3 (from --python=/usr/bin/python3) does not exist
Any ideas what may be happening here?
Thanks for the help,
bclayman

If you want your virtual environment to be Python 3 but don't know the installation directory, use which python3. Use that directory in your virtualenv -p [directory] my_py3_env command to set up the Python 3 virtual environment.
I sounds like your pip is installing to your Python 2.X directory. If you're okay with that, you'll need to run the app either with python2 run.py, python2.X run.py where x is your installed version, or change the symlink of python in /usr/bin/python to your installation of Python 2.
This question has some more information.
Regardless of the version of Python that you wish to use, you will need to install Flask to that version of Python. See this question for that.