Removes bug in compile exception

python/dune/perftool/compile.py

@@ -80,7 +80,7 @@ def read_ufl(uflfile):
         for k, v in ini.get("formcompiler.ufl_variants", {}).items():
             pycode = pycode + "{} = {}\n".format(k, repr(type_guessing(v)))
         pycode = pycode + uflcode
-        with file(pyname, "w") as f:
+        with open(pyname, "w") as f:
             f.write(pycode)
         raise SyntaxError("Not a valid ufl file, dumped a debug script: {}".format(pyname))