py3: Arch: some more fixes

src/Mod/Arch/ArchCommands.py

@@ -900,7 +900,7 @@ def makeCompoundFromSelected(objects=None):
         Part.show(c)
 
 
-def cleanArchSplitter(objecs=None):
+def cleanArchSplitter(objects=None):
     """cleanArchSplitter([objects]): removes the splitters from the base shapes
     of the given Arch objects or selected Arch objects if objects is None"""
     import FreeCAD,FreeCADGui

src/Mod/Arch/ArchProfile.py

@@ -59,7 +59,7 @@ def readPresets():
     for profilefile in profilefiles:
         if os.path.exists(profilefile):
             try:
-                with open(profilefile, 'r') as csvfile:
+                with open(profilefile, 'rb') as csvfile:
                     beamreader = csv.reader(csvfile)
                     bid=1 #Unique index
                     for row in beamreader: