Avoid UnsupportedSpecializationException in java.type.

Author: fangerer

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/JavaModuleBuiltins.java

@@ -47,6 +47,7 @@
 
 import com.oracle.graal.python.builtins.Builtin;
 import com.oracle.graal.python.builtins.CoreFunctions;
+import com.oracle.graal.python.builtins.PythonBuiltinClassType;
 import com.oracle.graal.python.builtins.PythonBuiltins;
 import com.oracle.graal.python.builtins.objects.PNone;
 import com.oracle.graal.python.builtins.objects.str.PString;
@@ -109,6 +110,11 @@ Object type(String name) {
         Object type(PString name) {
             return get(name.getValue());
         }
+
+        @Fallback
+        Object doError(Object object) {
+            throw raise(PythonBuiltinClassType.TypeError, "unsupported operand '%p'", object);
+        }
     }
 
     @Builtin(name = "add_to_classpath", takesVarArgs = true, doc = "Add all arguments to the classpath.")