Add 'CylinderShaft' to __all__ exports

Author: ndem0

bladex/__init__.py

@@ -1,9 +1,12 @@
 """
 BladeX init
 """
-__all__ = ['ProfileInterface', 'NacaProfile', 'CustomProfile',
-        'ReversePropeller', 'Blade', 'Shaft', 'Propeller', 'Deformation',
-        'ParamFile', 'RBF', 'reconstruct_f', 'scipy_bspline']
+__all__ = [
+        'ProfileInterface', 'NacaProfile', 'CustomProfile',
+        'ReversePropeller', 'Blade', 'Shaft', 'CylinderShaft',
+        'Propeller', 'Deformation', 'ParamFile', 'RBF',
+        'reconstruct_f', 'scipy_bspline'
+]
 
 from .meta import *
 from .profile import ProfileInterface
@@ -16,4 +19,4 @@
 from .params import ParamFile
 from .ndinterpolator import RBF, reconstruct_f, scipy_bspline
 from .reversepropeller import ReversePropeller
-from .cylinder_shaft import CylinderShaft
+from .cylinder_shaft import CylinderShaft