Fix Colab import error and suppress hdbscan SyntaxWarning

.github/workflows/test.yml

@@ -60,11 +60,15 @@ jobs:
         pip install -e .
 
     - name: Run pytest
+      env:
+        MPLBACKEND: Agg
       run: |
         pytest -v --tb=short
 
     - name: Run pytest with coverage (Ubuntu Python 3.12 only)
       if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.12'
+      env:
+        MPLBACKEND: Agg
       run: |
         pytest --cov=hypertools --cov-report=xml --cov-report=term-missing
 

hypertools/__init__.py

@@ -1,4 +1,11 @@
 #!/usr/bin/env python
+
+import warnings
+
+warnings.filterwarnings(
+    "ignore", category=SyntaxWarning, message="invalid escape sequence"
+)
+
 from .config import __version__
 from .plot.plot import plot
 from .plot.backend import set_interactive_backend