Update __init__.py

Author: mmatera

pymathics/vectorizedplot/__init__.py

@@ -27,8 +27,8 @@
 
 """
 
-from pymathics.hello.__main__ import Hello
-from pymathics.hello.version import __version__
+from pymathics.vectorizedplot.plot import SphericalPlot3D
+from pymathics.vectorizedplot.version import __version__
 
 __all__ = ("__version__", "Hello", "pymathics_version_data")