Fixed DH _jcompat to jcompat module rename (#42)

Author: chipkent

src/deephaven_ib/_query_inputs.py

@@ -15,7 +15,7 @@
 from typing import Union
 
 import jpy
-from deephaven._jcompat import j_function
+from deephaven.jcompat import j_function
 from deephaven.constants import NULL_DOUBLE
 import deephaven.dtypes