avoid isort messing up builds?

Author: ianhi

mpl_point_clicker/__init__.py

@@ -3,8 +3,11 @@
 # Copyright (c) Ian Hunt-Isaak.
 # Distributed under the terms of the Modified BSD License.
 
+try:
+    from ._version import version as __version__
+except ImportError:  # pragma: no cover
+    __version__ = "unknown"
 from ._clicker import clicker
-from ._version import __version__
 
 __all__ = [
     "__version__",