Fix __ALL__ import for PLWI

Author: rlaphoenix

pvsfunc/__init__.py

@@ -2,6 +2,6 @@
 from pvsfunc.pdebox import PDebox
 from pvsfunc.pdecimate import PDecimate
 from pvsfunc.pkernel import PKernel
-from pvsfunc.pls import PLS
+from pvsfunc.plwi import PLWI
 
-__ALL__ = (PD2V, PDebox, PDecimate, PKernel, PLS)
+__ALL__ = (PD2V, PDebox, PDecimate, PKernel, PLWI)