[lib] MCLQuery: fix typos

library/cadbiom/models/clause_constraints/mcl/MCLQuery.py

@@ -375,17 +375,14 @@ class MCLSimpleQuery(object):
         """Print logical formulas in query"""
         str_out = "Start_property: "
         if self.start_prop:
-            str_out = str_out + self.start_prop
-        str_out = str_out + "\nInv property: "
+            str_out += self.start_prop
+        str_out += "\nInv property: "
         if self.inv_prop:
-            str_out = str_out + self.inv_prop
-        str_out = str_out + "\nFinal property: "
+            str_out += self.inv_prop
+        str_out += "\nFinal property: "
         if self.final_prop:
-            str_out = str_out + self.final_prop
-        str_out = str_out + "\nVariant property: "
+            str_out += self.final_prop
+        str_out += "\nVariant property: "
         if self.variant_prop:
-#            str_out = str_out + self.variant_prop[0]
-#            for prop in self.variant_prop[1:]:
-#                str_out = str_out + ", " + prop
-            str_out = str_out + str(self.variant_prop)
+            str_out += str(self.variant_prop)
         return str_out