diff --git a/src/Mod/OpenSCAD/OpenSCADCommands.py b/src/Mod/OpenSCAD/OpenSCADCommands.py
index d1750c718..778e310a7 100644
--- a/src/Mod/OpenSCAD/OpenSCADCommands.py
+++ b/src/Mod/OpenSCAD/OpenSCADCommands.py
@@ -224,7 +224,11 @@ class AddSCADTask:
             else:
                 import importCSG
                 importCSG.insert(tmpfilename,doc.Name)
-            os.unlink(tmpfilename)
+            try:
+                os.unlink(tmpfilename)
+            except OSError:
+                pass
+
         except OpenSCADUtils.OpenSCADError, e:
             FreeCAD.Console.PrintError(e.value)
 
diff --git a/src/Mod/OpenSCAD/importCSG.py b/src/Mod/OpenSCAD/importCSG.py
index d3215d20a..7cc5c0548 100644
--- a/src/Mod/OpenSCAD/importCSG.py
+++ b/src/Mod/OpenSCAD/importCSG.py
@@ -139,8 +139,10 @@ def processcsg(filename):
     # Swap statements to enable Parser debugging
     #result = parser.parse(f.read(),debug=1)
     result = parser.parse(f.read())
-    if printverbose: print 'End Parser'
-    if printverbose: print result  
+    f.close()
+    if printverbose:
+        print 'End Parser'
+        print result  
     FreeCAD.Console.PrintMessage('End processing CSG file\n')
     doc.recompute()
 
@@ -158,7 +160,7 @@ def p_block_list_(p):
         p[0] = p[1] + p[2]
     else :
         p[0] = p[1]
-    if printverbose: print "End Block List"    
+    if printverbose: print "End Block List"
 
 def p_render_action(p):
     'render_action : render LPAREN keywordargument_list RPAREN OBRACE block_list EBRACE'