Removes unnecessary dependencies from cugraph-service (#5087)

Removes unnecessary dependencies from cugraph-service.
This addresses the comment [here](#5085 (comment)).

Authors:
  - Rick Ratzel (https://github.com/rlratzel)

Approvers:
  - Alex Barghi (https://github.com/alexbarghi-nv)
  - Vyas Ramasubramani (https://github.com/vyasr)

URL: #5087

Author: rlratzel

dependencies.yaml

@@ -227,7 +227,6 @@ files:
       key: test
     includes:
       - depends_on_cudf
-      - depends_on_cugraph_pyg
       - depends_on_cupy
       - test_python_common
       - test_python_cugraph_service_client
@@ -480,7 +479,6 @@ dependencies:
       - output_types: [conda, pyproject, requirements]
         packages:
           - *dask
-          - *numba
           - *numpy
           - *thrift
   test_cpp:

python/cugraph-service/client/pyproject.toml

@@ -39,7 +39,6 @@ Documentation = "https://docs.rapids.ai/api/cugraph/stable/"
 [project.optional-dependencies]
 test = [
     "cudf==25.6.*,>=0.0.0a0",
-    "cugraph-pyg==25.6.*,>=0.0.0a0",
     "cupy-cuda11x>=12.0.0",
     "numpy>=1.23,<3.0a0",
     "pandas",

python/cugraph-service/server/pyproject.toml

@@ -26,7 +26,6 @@ dependencies = [
     "cupy-cuda11x>=12.0.0",
     "dask-cuda==25.6.*,>=0.0.0a0",
     "dask-cudf==25.6.*,>=0.0.0a0",
-    "numba>=0.59.1,<0.62.0a0",
     "numpy>=1.23,<3.0a0",
     "rapids-dask-dependency==25.6.*,>=0.0.0a0",
     "rmm==25.6.*,>=0.0.0a0",

python/cugraph-service/tests/test_remote_graph.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2022-2023, NVIDIA CORPORATION.
+# Copyright (c) 2022-2025, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -656,10 +656,12 @@ def test_backend_torch(
 def test_remote_graph_neighbor_sample(
     client_with_property_csvs_loaded, pG_with_property_csvs_loaded
 ):
-    # FIXME: consider moving the call dispatcher into cugraph-service-client or
-    # cugraph proper. Import it here for now to allow tests to run in an
-    # environment without cugraph-pyg.
-    from cugraph_pyg.loader.dispatch import call_cugraph_algorithm
+    # FIXME: This test was using call_cugraph_algorithm from
+    # cugraph_pyg.loader.dispatch, which no longer exists. This test should be
+    # updated to call the proper replacement for call_cugraph_algorithm, or
+    # removed.
+    def call_cugraph_algorithm(*args, **kwargs):
+        raise NotImplementedError
 
     rpG = RemoteGraph(client_with_property_csvs_loaded, 0)
     pG = pG_with_property_csvs_loaded
@@ -701,10 +703,12 @@ def test_remote_graph_neighbor_sample(
 def test_remote_graph_neighbor_sample_implicit_subgraph(
     client_with_property_csvs_loaded, pG_with_property_csvs_loaded
 ):
-    # FIXME: consider moving the call dispatcher into cugraph-service-client or
-    # cugraph proper. Import it here for now to allow tests to run in an
-    # environment without cugraph-pyg.
-    from cugraph_pyg.loader.dispatch import call_cugraph_algorithm
+    # FIXME: This test was using call_cugraph_algorithm from
+    # cugraph_pyg.loader.dispatch, which no longer exists. This test should be
+    # updated to call the proper replacement for call_cugraph_algorithm, or
+    # removed.
+    def call_cugraph_algorithm(*args, **kwargs):
+        raise NotImplementedError
 
     rpG = RemoteGraph(client_with_property_csvs_loaded, 0)
     pG = pG_with_property_csvs_loaded