Dear friend this is my error i tried all the ways you have said but still same error: amir@DESKTOP-97BV8AA:~/storefront$ pipenv install mysqlclient Creating a virtualenv for this project Pipfile: /home/amir/storefront/Pipfile Using /usr/bin/python33.10.12 to create virtualenv... ⠸ Creating virtual environment...created virtual environment CPython3.10.12.final.0-64 in 237ms creator CPython3Posix(dest=/home/amir/.local/share/virtualenvs/storefront-Srl2ZNHg, clear=False, no_vcs_ignore=False, global=False) seeder FromAppData(download=False, pip=bundle, setuptools=bundle, wheel=bundle, via=copy, app_data_dir=/home/amir/.local/share/virtualenv) added seed packages: pip==24.3.1, setuptools==75.2.0, wheel==0.44.0 activators BashActivator,CShellActivator,FishActivator,NushellActivator,PowerShellActivator,PythonActivator

✔ Successfully created virtual environment! Virtualenv location: /home/amir/.local/share/virtualenvs/storefront-Srl2ZNHg Installing mysqlclient... ✔ Installation Succeeded Installing dependencies from Pipfile.lock (e4eef2)... All dependencies are now up-to-date! Upgrading mysqlclient in dependencies. Building requirements... Resolving dependencies... ✘ Locking Failed! ⠋ Locking packages...False Traceback (most recent call last): File "/home/amir/.local/bin/pipenv", line 8, in sys.exit(cli()) File "/home/amir/.local/lib/python3.10/site-packages/pipenv/vendor/click/core.py", line 1157, in call return self.main(*args, **kwargs) File "/home/amir/.local/lib/python3.10/site-packages/pipenv/cli/options.py", line 52, in main return super().main(*args, **kwargs, windows_expand_args=False) File "/home/amir/.local/lib/python3.10/site-packages/pipenv/vendor/click/core.py", line 1078, in main rv = self.invoke(ctx) File "/home/amir/.local/lib/python3.10/site-packages/pipenv/vendor/click/core.py", line 1688, in invoke return _process_result(sub_ctx.command.invoke(sub_ctx)) File "/home/amir/.local/lib/python3.10/site-packages/pipenv/vendor/click/core.py", line 1434, in invoke return ctx.invoke(self.callback, **ctx.params) File "/home/amir/.local/lib/python3.10/site-packages/pipenv/vendor/click/core.py", line 783, in invoke return __callback(*args, **kwargs) File "/home/amir/.local/lib/python3.10/site-packages/pipenv/vendor/click/decorators.py", line 92, in new_func return ctx.invoke(f, obj, *args, **kwargs) File "/home/amir/.local/lib/python3.10/site-packages/pipenv/vendor/click/core.py", line 783, in invoke return __callback(*args, **kwargs) File "/home/amir/.local/lib/python3.10/site-packages/pipenv/cli/command.py", line 207, in install do_install( File "/home/amir/.local/lib/python3.10/site-packages/pipenv/routines/install.py", line 310, in do_install new_packages, _ = handle_new_packages( File "/home/amir/.local/lib/python3.10/site-packages/pipenv/routines/install.py", line 114, in handle_new_packages do_update( File "/home/amir/.local/lib/python3.10/site-packages/pipenv/routines/update.py", line 75, in do_update upgrade( File "/home/amir/.local/lib/python3.10/site-packages/pipenv/routines/update.py", line 364, in upgrade upgrade_lock_data = venv_resolve_deps( File "/home/amir/.local/lib/python3.10/site-packages/pipenv/utils/resolver.py", line 907, in venv_resolve_deps c = resolve(cmd, st, project=project) File "/home/amir/.local/lib/python3.10/site-packages/pipenv/utils/resolver.py", line 771, in resolve raise RuntimeError("Failed to lock Pipfile.lock!") RuntimeError: Failed to lock Pipfile.lock!