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Related to this public problem.
Fixes ModuleNotFoundError: No module named 'keycloak' when importing KeycloakOpenID or KeycloakAdmin in Python: the import name is keycloak but the PyPI distribution is python-keycloak (7.1.1, Python 3.10+), and a separate unrelated distribution named keycloak also exists. Covers python -m pip installs into the right …
Shows how to encrypt and decrypt bytes with AES in pycryptodome through Crypto.Cipher.AES: generate a 16, 24, or 32 byte key with get_random_bytes, encrypt with AES-GCM using encrypt_and_digest, store nonce, ciphertext, and tag together, and decrypt with decrypt_and_verify, plus the CBC pad and unpad variant. Use when…
no module named bs4 means BeautifulSoup is not installed in the Python running your code: the import name is bs4 but the PyPI package is beautifulsoup4. Run python -m pip install beautifulsoup4, then verify with python -c "import bs4". Use when import bs4 fails on a fresh machine, venv, Docker image, or CI. Not for ca…
modulenotfounderror: no module named 'socks' means PySocks is not installed: the import name is socks but the distribution is PySocks. Run pip install PySocks, or pip install requests[socks] if you use requests with SOCKS proxies. Use when routing requests or urllib3 through a SOCKS5 proxy, in Docker, or in CI. Not fo…
Short answer: you are running Python older than 3.12.
Short answer: install the OpenMP runtime from your OS package manager.
Short answer: find where libcudart.so.13 actually lives on the machine, then put that directory on the linker search path, or install the matching CUDA 13 runtime.
Short answer: install the beautifulsoup4 distribution (not a package called bs4) into the same interpreter that runs your code. 1.
Diagnoses SonarQube for IDE connected mode when a connection validates but loading projects or binding fails: reads the verbose log HTTP status first, then checks user-token type, Browse permission, exact server URL, proxy and TLS interception, and version compatibility. Use when you see Loading the projects from the …
Fixes ModuleNotFoundError: No module named 'saml2' when code imports saml2 from pysaml2. Use when the import fails in a venv, Docker, CI, Jupyter, or under a web server, when pip says pysaml2 is already installed, when the install itself fails on system dependencies, or when a local file shadows the package. Not for p…
Fixes ModuleNotFoundError: No module named 'oauthlib' when pip install already succeeded. Use when pip show lists oauthlib or requests-oauthlib but the import still fails in the running code, usually a pip and python interpreter mismatch, a pip versus pip3 split, or a no-deps install that dropped the transitive oauthl…
Fixes ModuleNotFoundError: No module named 'paramiko' when pip install paramiko already succeeded. Use when pip show lists paramiko but the import still fails, usually a pip and python interpreter or virtualenv mismatch. Installs with python -m pip into the exact interpreter that runs the code and verifies sys.executa…
Fixes docs code samples that raise ImportError because the import path moved between releases. Use when a README or tutorial example fails on a fresh checkout while the library itself works. Key trigger: the snippet imports a module path that no longer exists in the installed version.
Fixes the missing dotenv module error in CI by declaring python-dotenv. Use when pytest fails in CI with No module named 'dotenv' while passing locally. Covers confirming the package is absent, adding python-dotenv to the requirements, and verifying the import. Not for missing .env files or the wrong dotenv package.
Fixes pdf2image 'Unable to get page count. Is poppler installed and in PATH?' in Docker: install poppler-utils in the Dockerfile, or pass poppler_path explicitly, and verify inside the built image. Use when PDF conversion works locally but fails in containers. Not for corrupt-PDF or permission errors.
Fixes pytest ImportError: No module named 'src' that appears only in CI. Use when tests import from a src layout locally but CI cannot resolve it. Covers comparing sys.path in both environments, installing the package properly in CI, and declaring pythonpath in the pytest config. Not for missing third-party dependenci…
Fixes ImportError: DLL load failed while importing _ssl on Windows CI after a native Python package upgrade. Use it when Python starts but importing ssl (or anything using TLS, like pip and requests) fails on a Windows runner. Key trigger: the interpreter's OpenSSL DLLs (libssl and libcrypto) are missing from the DLL …
Fixes the ImportError pandas raises when read_excel needs openpyxl and it is not installed. Install with pip or conda in the same environment that runs pandas, retry the read, and it works. Covers the venv mismatch case (installed but not importable) and the conda-forge route. Not for .xls legacy files (needs xlrd), c…
Fixes a segfault when the kernel imports tensorflow: usually a CPU without AVX support, a pip/conda binary mix, or a CUDA/cuDNN version skew. Check CPU flags and install the matching build. Not for OOM kills on large models.
Handles the lowercase importerror: cannot import name 'display' from 'ipython.core.display' terminal phrasing: same IPython 9 removal, same fix. Import from IPython.display and scan the whole environment for the stale path. Not for kernel crashes or missing modules.
Recovers a kernel that dies right after a conda package install: usually a binary or BLAS clash the solver allowed. Remove the new package, compare conda list revisions, and rebuild the env. Not for kernels that die on large data.
Retry Python calls with exponential backoff using the tenacity retry decorator. Use when a Python function, agent tool call, or HTTP request hits transient failures (timeouts, connection errors, 5xx, rate limits) and needs bounded retries with growing, capped, jittered waits instead of hand-rolled sleep loops. Covers …
Fixes the ImportError when importing mistral from the mistralai package. Use when the import fails after a fresh install, when an agent pins the wrong package version, or when old code imports a name the new SDK dropped. Not for API-key auth failures, for model-not-found errors, or for rate limits.
Fixes the NLTK LookupError for the punkt_tab tokenizer resource: shows which download command resolves it, why NLTK 3.8.2+ needs punkt_tab instead of punkt, and how to pre-download it for Docker and CI. Use when sent_tokenize or word_tokenize fails with a punkt_tab LookupError. Not for other missing NLTK resources, sl…
Shows how to fix ipywidgets that render blank or fail in JupyterLab. Use it when you hit this exact problem. Skip it when your error message or symptom looks different.