Remove unused BUILD and PIP dependencies.

PiperOrigin-RevId: 270282780

requirements.txt

@@ -8,7 +8,6 @@ enum34~=1.1
 gast==0.2.2
 grpcio~=1.22.0
 h5py~=2.6
-mock~=3.0; python_version < '3.0'
 numpy~=1.14
 pandas~=0.24.0
 portpicker

tensorflow_federated/python/core/api/BUILD

@@ -87,8 +87,6 @@ py_test(
     deps = [
         ":api",
         "//tensorflow_federated/python/common_libs:anonymous_tuple",
-        "//tensorflow_federated/python/core/impl:context_stack_impl",
-        "//tensorflow_federated/python/core/impl:federated_computation_context",
     ],
 )
 

tensorflow_federated/python/core/impl/BUILD

@@ -169,12 +169,10 @@ py_test(
         ":composite_executor",
         ":concurrent_executor",
         ":eager_executor",
-        ":executor_test_utils",
         ":federated_executor",
         ":lambda_executor",
         ":set_default_executor",
         "//tensorflow_federated/python/common_libs:anonymous_tuple",
-        "//tensorflow_federated/python/core/api:computation_types",
         "//tensorflow_federated/python/core/api:computations",
         "//tensorflow_federated/python/core/api:intrinsics",
         "//tensorflow_federated/python/core/api:placements",
@@ -558,11 +556,11 @@ py_library(
     deps = [
         ":executor_base",
         ":executor_value_base",
+        ":type_utils",
         "//tensorflow_federated/proto/v0:tensorflow_federated_v0_py_pb2",
         "//tensorflow_federated/python/common_libs:anonymous_tuple",
         "//tensorflow_federated/python/common_libs:py_typecheck",
         "//tensorflow_federated/python/core/api:computation_types",
-        "//tensorflow_federated/python/core/impl:type_utils",
         "//tensorflow_federated/python/core/impl/compiler:building_block_factory",
         "//tensorflow_federated/python/core/impl/compiler:intrinsic_defs",
         "//tensorflow_federated/python/core/impl/compiler:type_factory",
@@ -645,7 +643,6 @@ py_library(
         "//tensorflow_federated/python/common_libs:anonymous_tuple",
         "//tensorflow_federated/python/common_libs:py_typecheck",
         "//tensorflow_federated/python/core/api:computation_types",
-        "//tensorflow_federated/python/core/impl/compiler:building_block_factory",
         "//tensorflow_federated/python/core/impl/compiler:intrinsic_defs",
         "//tensorflow_federated/python/core/impl/compiler:placement_literals",
         "//tensorflow_federated/python/core/impl/compiler:type_factory",

tensorflow_federated/python/core/impl/compiler/BUILD

@@ -169,15 +169,15 @@ py_test(
     python_version = "PY3",
     srcs_version = "PY3",
     deps = [
+        ":building_block_analysis",
+        ":building_block_factory",
+        ":building_blocks",
         ":proto_transformations",
+        ":test_utils",
+        ":type_serialization",
         "//tensorflow_federated/proto/v0:tensorflow_federated_v0_py_pb2",
         "//tensorflow_federated/python/common_libs:serialization_utils",
         "//tensorflow_federated/python/core/api:computation_types",
-        "//tensorflow_federated/python/core/impl/compiler:building_block_analysis",
-        "//tensorflow_federated/python/core/impl/compiler:building_block_factory",
-        "//tensorflow_federated/python/core/impl/compiler:building_blocks",
-        "//tensorflow_federated/python/core/impl/compiler:test_utils",
-        "//tensorflow_federated/python/core/impl/compiler:type_serialization",
         "//tensorflow_federated/python/core/impl/utils:tensorflow_utils",
     ],
 )
@@ -301,7 +301,6 @@ py_test(
     deps = [
         ":type_serialization",
         "//tensorflow_federated/proto/v0:tensorflow_federated_v0_py_pb2",
-        "//tensorflow_federated/python/common_libs:anonymous_tuple",
         "//tensorflow_federated/python/common_libs:test",
         "//tensorflow_federated/python/core/api:computation_types",
         "//tensorflow_federated/python/core/api:placements",