machine-learning — FixDevsLatest fixes and solutions for machine-learning errors on FixDevs.https://fixdevs.com/enThu, 09 Apr 2026 00:00:00 GMTFix: Gradio Not Working — Share Link, Queue Timeout, and Component Errorshttps://fixdevs.com/blog/gradio-not-working/https://fixdevs.com/blog/gradio-not-working/How to fix Gradio errors — share link not working, queue timeout, component not updating, Blocks layout mistakes, flagging permission denied, file upload size limit, and HuggingFace Spaces deployment failures.Thu, 09 Apr 2026 00:00:00 GMTpythongradiomachine-learninghuggingfaceweb-appdebuggingFixDevsFix: Jupyter Notebook Not Working — Kernel Dead, Module Not Found, and Widget Errorshttps://fixdevs.com/blog/jupyter-not-working/https://fixdevs.com/blog/jupyter-not-working/How to fix Jupyter errors — kernel fails to start or dies, ModuleNotFoundError despite pip install, matplotlib plots not showing, ipywidgets not rendering in JupyterLab, port already in use, and jupyter command not found.Thu, 09 Apr 2026 00:00:00 GMTpythonjupyterjupyterlabdata-sciencemachine-learningdebuggingFixDevsFix: LightGBM Not Working — Installation Errors, Categorical Features, and Training Issueshttps://fixdevs.com/blog/lightgbm-not-working/https://fixdevs.com/blog/lightgbm-not-working/How to fix LightGBM errors — ImportError libomp libgomp not found, do not support special JSON characters in feature name, categorical feature index out of range, num_leaves vs max_depth overfitting, early stopping callback changes, and GPU build errors.Thu, 09 Apr 2026 00:00:00 GMTpythonlightgbmmachine-learninggradient-boostingdata-sciencedebuggingFixDevsFix: MLflow Not Working — Tracking URI, Artifact Store, and Model Registry Errorshttps://fixdevs.com/blog/mlflow-not-working/https://fixdevs.com/blog/mlflow-not-working/How to fix MLflow errors — no tracking server, artifact path not accessible, model version not found, experiment not found, MLFLOW_TRACKING_URI not set, autolog not recording metrics, and MLflow UI showing no runs.Thu, 09 Apr 2026 00:00:00 GMTpythonmlflowmachine-learningmlopsexperiment-trackingdebuggingFixDevsFix: NumPy Not Working — Broadcasting Error, dtype Mismatch, and Array Shape Problemshttps://fixdevs.com/blog/numpy-not-working/https://fixdevs.com/blog/numpy-not-working/How to fix NumPy errors — ValueError operands could not be broadcast together, setting an array element with a sequence, integer overflow, axis confusion, view vs copy bugs, NaN handling, and NumPy 1.24+ removed type aliases.Thu, 09 Apr 2026 00:00:00 GMTpythonnumpydata-sciencemachine-learningdebuggingFixDevsFix: Optuna Not Working — Trial Pruned, Storage Errors, and Search Space Problemshttps://fixdevs.com/blog/optuna-not-working/https://fixdevs.com/blog/optuna-not-working/How to fix Optuna errors — TrialPruned stops too early, RDB storage locked or not saving, suggest methods raise ValueError, parallel study workers deadlock, integration callbacks not reporting, and best trial not reproducible.Thu, 09 Apr 2026 00:00:00 GMTpythonoptunahyperparameter-tuningmachine-learningoptimizationdebuggingFixDevsFix: scikit-learn Not Working — NotFittedError, NaN Input, Pipeline, and ConvergenceWarninghttps://fixdevs.com/blog/sklearn-not-working/https://fixdevs.com/blog/sklearn-not-working/How to fix scikit-learn errors — NotFittedError call fit before predict, ValueError Input contains NaN, could not convert string to float, Pipeline ColumnTransformer mistakes, cross-validation leakage, n_jobs hanging on Windows, and ConvergenceWarning.Thu, 09 Apr 2026 00:00:00 GMTpythonscikit-learnmachine-learningsklearndata-sciencedebuggingFixDevsFix: Streamlit Not Working — Session State, Cache, and Rerun Problemshttps://fixdevs.com/blog/streamlit-not-working/https://fixdevs.com/blog/streamlit-not-working/How to fix Streamlit errors — session state KeyError state not persisting, @st.cache deprecated migrate to cache_data cache_resource, file upload resetting, slow app loading on every interaction, secrets not loading, and widget rerun loops.Thu, 09 Apr 2026 00:00:00 GMTpythonstreamlitdata-sciencemachine-learningweb-appdebuggingFixDevsFix: TensorFlow Not Working — OOM, Shape Mismatch, GPU Not Found, and Keras Errorshttps://fixdevs.com/blog/tensorflow-not-working/https://fixdevs.com/blog/tensorflow-not-working/How to fix TensorFlow errors — GPU not detected CUDA library missing, ResourceExhaustedError OOM, InvalidArgumentError shape mismatch, NaN loss, @tf.function AutoGraph failures, and Keras 3 breaking changes in TF 2.16+.Thu, 09 Apr 2026 00:00:00 GMTpythontensorflowkerasmachine-learningdeep-learninggpudebuggingFixDevsFix: XGBoost Not Working — Feature Name Mismatch, GPU Errors, and Early Stopping Changeshttps://fixdevs.com/blog/xgboost-not-working/https://fixdevs.com/blog/xgboost-not-working/How to fix XGBoost errors — feature names mismatch, XGBoostError GPU training fails, use_label_encoder deprecated, eval_metric warning, early stopping moved to callback, ValueError for DMatrix, and sklearn API confusion.Thu, 09 Apr 2026 00:00:00 GMTpythonxgboostmachine-learninggradient-boostingdata-sciencedebuggingFixDevs