Revert last change (restriction is deliberate).

Author: anthony-tuininga

src/NumberVar.c

@@ -198,6 +198,14 @@ static int NumberVar_SetValueDecimal(udt_Variable *var, uint32_t pos,
 static int NumberVar_SetValueFloat(udt_Variable *var, uint32_t pos,
         dpiData *data, PyObject *value)
 {
+    if (!PyFloat_Check(value) &&
+#if PY_MAJOR_VERSION < 3
+            !PyInt_Check(value) &&
+#endif
+            !PyLong_Check(value)) {
+        PyErr_SetString(PyExc_TypeError, "expecting float");
+        return -1;
+    }
     data->value.asDouble = PyFloat_AsDouble(value);
     if (PyErr_Occurred())
         return -1;