diff --git a/MEA_package/ProgramFiles/MEA.py b/MEA_package/ProgramFiles/MEA.py
index <HASH>..<HASH> 100755
--- a/MEA_package/ProgramFiles/MEA.py
+++ b/MEA_package/ProgramFiles/MEA.py
@@ -114,7 +114,6 @@ def make_T_matrix(nvariables, nreactions, TE_matrix, S):
         T.append(row)

     return T

 

-

 def substitute_mean_with_y(mom, nvariables):

 

     """

@@ -125,6 +124,7 @@ def substitute_mean_with_y(mom, nvariables):
     :return: the substituted expressions

     """

 

+

     # e.g. x001,x010 x100 are means

     for i in range(0, nvariables):

         numv = [0] * nvariables

@@ -232,7 +232,6 @@ def make_mfk(CentralMoments, yms, M):
             MFK.append(MFK2[j])

     return MFK

 

-

 def write_output(out_file_prefix, nvariables, nMoments, counter, c, yms, ymat, MFK, deltatime):

 

     """
unitests for substitute_means_with_y