Filter SyntaxWarning by message instead of module

Use message='invalid escape sequence' pattern which reliably matches
the hdbscan warnings regardless of module name resolution.

Author: jeremymanning

hypertools/__init__.py

@@ -2,7 +2,9 @@
 
 import warnings
 
-warnings.filterwarnings("ignore", category=SyntaxWarning, module="hdbscan")
+warnings.filterwarnings(
+    "ignore", category=SyntaxWarning, message="invalid escape sequence"
+)
 
 from .config import __version__
 from .plot.plot import plot

hypertools/tools/cluster.py

@@ -23,9 +23,8 @@
 }
 
 try:
-    with warnings.catch_warnings():
-        warnings.filterwarnings("ignore", category=SyntaxWarning, module="hdbscan")
-        from hdbscan import HDBSCAN
+    from hdbscan import HDBSCAN
+
     _has_hdbscan = True
     models.update({"HDBSCAN": HDBSCAN})
 except ImportError: