import compute_mmd_hypothesis_test and compute_mmd_hypothesis_test_from_summaries into diagnostics.metrics

Author: thegialeo

bayesflow/diagnostics/metrics/__init__.py

@@ -2,3 +2,4 @@
 from .posterior_contraction import posterior_contraction
 from .root_mean_squared_error import root_mean_squared_error
 from .expected_calibration_error import expected_calibration_error
+from .mmd_hypothesis_test import compute_mmd_hypothesis_test_from_summaries, compute_mmd_hypothesis_test