Update

Author: phofl

dask_expr/_backends.py

@@ -4,9 +4,8 @@
 import pandas as pd
 from dask.backends import CreationDispatch
 from dask.dataframe.backends import DataFrameBackendEntrypoint
-from dask.dataframe.dispatch import get_parallel_type, to_pandas_dispatch
+from dask.dataframe.dispatch import to_pandas_dispatch
 
-from dask_expr import FrameBase
 from dask_expr._dispatch import get_collection_type
 from dask_expr._expr import ToBackend
 
@@ -131,8 +130,3 @@ def get_collection_type_object(_):
 @get_collection_type.register_lazy("cudf")
 def _register_cudf():
     import dask_cudf  # noqa: F401
-
-
-@get_parallel_type.register(FrameBase)
-def get_parallel_type_frame(o):
-    return get_parallel_type(o._meta)

dask_expr/_collection.py

@@ -32,7 +32,12 @@
     is_series_like,
     meta_warning,
 )
-from dask.dataframe.dispatch import is_categorical_dtype, make_meta, meta_nonempty
+from dask.dataframe.dispatch import (
+    get_parallel_type,
+    is_categorical_dtype,
+    make_meta,
+    meta_nonempty,
+)
 from dask.dataframe.multi import warn_dtype_mismatch
 from dask.dataframe.utils import (
     AttributeNotImplementedError,
@@ -6517,3 +6522,8 @@ def _compute_partition_stats(
         return (mins, maxes, lens)
     else:
         return (non_empty_mins, non_empty_maxes, lens)
+
+
+@get_parallel_type.register(FrameBase)
+def get_parallel_type_frame(o):
+    return get_parallel_type(o._meta)