fixup: use correct config

Author: arunkannawadi

python/lsst/pipe/tasks/fit_coadd_multiband.py

@@ -213,7 +213,7 @@ def adjustQuantum(self, inputs, outputs, label, data_id):
 
     def __init__(self, *, config=None):
         super().__init__(config=config)
-        assert isinstance(config, CoaddMultibandFitInputConnections)
+        assert isinstance(config, CoaddMultibandFitBaseConfig)
 
         if config.drop_psf_connection:
             del self.models_psf