Fix sqlite3 import

Author: pearu

.github/workflows/docs.yaml

@@ -51,6 +51,7 @@ jobs:
         git config --global --add safe.directory /__w/audio/audio
         conda create -c conda-forge --strict-channel-priority -y --prefix ci_env python="${PYTHON_VERSION}" ffmpeg="${FFMPEG_VERSION}" cmake ninja
         conda activate ./ci_env
+        export LD_LIBRARY_PATH="${CONDA_PREFIX}/lib:${LD_LIBRARY_PATH}"
         conda info
         python -m pip install --upgrade pip
         echo "::endgroup::"

examples/tutorials/audio_datasets_tutorial.py

@@ -19,8 +19,12 @@
 #
 
 import os
+import sys
 
-import IPython
+try:
+    import IPython
+except ImportError as msg:
+    raise ImportError(f'{msg}\n{os.environ["PATH"]=}\n{os.environ["LD_LIBRARY_PATH"]=}\n{sys.path=}')
 
 import matplotlib.pyplot as plt