Update PV_MUMC_biexp.py

Author: paulienvoorter

src/standardized/PV_MUMC_biexp.py

@@ -1,6 +1,6 @@
 import numpy as np
 from src.wrappers.OsipiBase import OsipiBase
-from src.original.PV_MUMC.ivim_fit_method_biexp import fit_least_squares_array
+from src.original.PV_MUMC.two_step_IVIM_fit import fit_least_squares_array
 
 
 class PV_MUMC_biexp(OsipiBase):
@@ -31,7 +31,7 @@ def __init__(self, bvalues=None, thresholds=None, bounds=([0.9, 0.0001, 0.0, 0.0
             Our OsipiBase object could contain functions that compare the inputs with
             the requirements.
         """
-        super(PV_MUMC, self).__init__(bvalues, None, bounds, None)
+        super(PV_MUMC_biexp, self).__init__(bvalues, None, bounds, None)
         self.PV_algorithm = fit_least_squares_array
 
 
@@ -53,4 +53,4 @@ def ivim_fit(self, signals, bvalues=None):
         Dstar = fit_results[2]
         D = fit_results[0]
 
-        return f, Dstar, D
+        return f, Dstar, D