diff --git a/src/isolate/backends/remote.py b/src/isolate/backends/remote.py
index c522198..3105a5a 100644
--- a/src/isolate/backends/remote.py
+++ b/src/isolate/backends/remote.py
@@ -52,17 +52,20 @@ def create(self) -> List[EnvironmentDefinition]:
         for env in self.target_environments:
             if not env.get("kind") or not env.get("configuration"):
                 raise RuntimeError(f"`kind` or `configuration` key missing in: {env}")
-            envs.append(EnvironmentDefinition(
-                kind=env["kind"],
-                configuration=interface.to_struct(env["configuration"])))
+            envs.append(
+                EnvironmentDefinition(
+                    kind=env["kind"],
+                    configuration=interface.to_struct(env["configuration"]),
+                )
+            )
         return envs
 
     def exists(self) -> bool:
         return False
 
     def open_connection(
-            self,
-            connection_key: List[EnvironmentDefinition],
+        self,
+        connection_key: List[EnvironmentDefinition],
     ) -> IsolateServerConnection:
         return IsolateServerConnection(self, self.host, connection_key)
 
@@ -100,7 +103,7 @@ def run(
                 method=self.environment.settings.serialization_method,
                 was_it_raised=False,
             ),
-            environments=self.definitions
+            environments=self.definitions,
         )
 
         return_value = []
diff --git a/src/isolate/interface.py b/src/isolate/interface.py
index 51aefeb..2a48b49 100644
--- a/src/isolate/interface.py
+++ b/src/isolate/interface.py
@@ -191,10 +191,7 @@ def wrap(
 
         # TODO: We should think of a way to set multiple environment definitions
 
-        target_list = [{
-            "kind": kind,
-            "configuration": definition
-        }]
+        target_list = [{"kind": kind, "configuration": definition}]
 
         # Create a remote environment.
         return BoxedEnvironment(
diff --git a/src/isolate/server/definitions/server_pb2.py b/src/isolate/server/definitions/server_pb2.py
index 0d8522f..5b38a75 100644
--- a/src/isolate/server/definitions/server_pb2.py
+++ b/src/isolate/server/definitions/server_pb2.py
@@ -2,30 +2,33 @@
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
 # source: server.proto
 """Generated protocol buffer code."""
-from google.protobuf.internal import builder as _builder
 from google.protobuf import descriptor as _descriptor
 from google.protobuf import descriptor_pool as _descriptor_pool
 from google.protobuf import symbol_database as _symbol_database
+from google.protobuf.internal import builder as _builder
+
 # @@protoc_insertion_point(imports)
 
 _sym_db = _symbol_database.Default()
 
 
-from isolate.connections.grpc.definitions import common_pb2 as common__pb2
 from google.protobuf import struct_pb2 as google_dot_protobuf_dot_struct__pb2
 
+from isolate.connections.grpc.definitions import common_pb2 as common__pb2
 
-DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x0cserver.proto\x1a\x0c\x63ommon.proto\x1a\x1cgoogle/protobuf/struct.proto\"b\n\rBoundFunction\x12,\n\x0c\x65nvironments\x18\x01 \x03(\x0b\x32\x16.EnvironmentDefinition\x12#\n\x08\x66unction\x18\x02 \x01(\x0b\x32\x11.SerializedObject\"U\n\x15\x45nvironmentDefinition\x12\x0c\n\x04kind\x18\x01 \x01(\t\x12.\n\rconfiguration\x18\x02 \x01(\x0b\x32\x17.google.protobuf.Struct27\n\x07Isolate\x12,\n\x03Run\x12\x0e.BoundFunction\x1a\x11.PartialRunResult\"\x00\x30\x01\x62\x06proto3')
+DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(
+    b'\n\x0cserver.proto\x1a\x0c\x63ommon.proto\x1a\x1cgoogle/protobuf/struct.proto"b\n\rBoundFunction\x12,\n\x0c\x65nvironments\x18\x01 \x03(\x0b\x32\x16.EnvironmentDefinition\x12#\n\x08\x66unction\x18\x02 \x01(\x0b\x32\x11.SerializedObject"U\n\x15\x45nvironmentDefinition\x12\x0c\n\x04kind\x18\x01 \x01(\t\x12.\n\rconfiguration\x18\x02 \x01(\x0b\x32\x17.google.protobuf.Struct27\n\x07Isolate\x12,\n\x03Run\x12\x0e.BoundFunction\x1a\x11.PartialRunResult"\x00\x30\x01\x62\x06proto3'
+)
 
 _builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, globals())
-_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'server_pb2', globals())
+_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, "server_pb2", globals())
 if _descriptor._USE_C_DESCRIPTORS == False:
 
-  DESCRIPTOR._options = None
-  _BOUNDFUNCTION._serialized_start=60
-  _BOUNDFUNCTION._serialized_end=158
-  _ENVIRONMENTDEFINITION._serialized_start=160
-  _ENVIRONMENTDEFINITION._serialized_end=245
-  _ISOLATE._serialized_start=247
-  _ISOLATE._serialized_end=302
+    DESCRIPTOR._options = None
+    _BOUNDFUNCTION._serialized_start = 60
+    _BOUNDFUNCTION._serialized_end = 158
+    _ENVIRONMENTDEFINITION._serialized_start = 160
+    _ENVIRONMENTDEFINITION._serialized_end = 245
+    _ISOLATE._serialized_start = 247
+    _ISOLATE._serialized_end = 302
 # @@protoc_insertion_point(module_scope)
diff --git a/src/isolate/server/definitions/server_pb2.pyi b/src/isolate/server/definitions/server_pb2.pyi
index 5b67709..4e2b68f 100644
--- a/src/isolate/server/definitions/server_pb2.pyi
+++ b/src/isolate/server/definitions/server_pb2.pyi
@@ -25,17 +25,29 @@ class BoundFunction(google.protobuf.message.Message):
     ENVIRONMENTS_FIELD_NUMBER: builtins.int
     FUNCTION_FIELD_NUMBER: builtins.int
     @property
-    def environments(self) -> google.protobuf.internal.containers.RepeatedCompositeFieldContainer[global___EnvironmentDefinition]: ...
+    def environments(
+        self,
+    ) -> google.protobuf.internal.containers.RepeatedCompositeFieldContainer[
+        global___EnvironmentDefinition
+    ]: ...
     @property
     def function(self) -> common_pb2.SerializedObject: ...
     def __init__(
         self,
         *,
-        environments: collections.abc.Iterable[global___EnvironmentDefinition] | None = ...,
+        environments: collections.abc.Iterable[global___EnvironmentDefinition]
+        | None = ...,
         function: common_pb2.SerializedObject | None = ...,
     ) -> None: ...
-    def HasField(self, field_name: typing_extensions.Literal["function", b"function"]) -> builtins.bool: ...
-    def ClearField(self, field_name: typing_extensions.Literal["environments", b"environments", "function", b"function"]) -> None: ...
+    def HasField(
+        self, field_name: typing_extensions.Literal["function", b"function"]
+    ) -> builtins.bool: ...
+    def ClearField(
+        self,
+        field_name: typing_extensions.Literal[
+            "environments", b"environments", "function", b"function"
+        ],
+    ) -> None: ...
 
 global___BoundFunction = BoundFunction
 
@@ -56,7 +68,14 @@ class EnvironmentDefinition(google.protobuf.message.Message):
         kind: builtins.str = ...,
         configuration: google.protobuf.struct_pb2.Struct | None = ...,
     ) -> None: ...
-    def HasField(self, field_name: typing_extensions.Literal["configuration", b"configuration"]) -> builtins.bool: ...
-    def ClearField(self, field_name: typing_extensions.Literal["configuration", b"configuration", "kind", b"kind"]) -> None: ...
+    def HasField(
+        self, field_name: typing_extensions.Literal["configuration", b"configuration"]
+    ) -> builtins.bool: ...
+    def ClearField(
+        self,
+        field_name: typing_extensions.Literal[
+            "configuration", b"configuration", "kind", b"kind"
+        ],
+    ) -> None: ...
 
 global___EnvironmentDefinition = EnvironmentDefinition
diff --git a/src/isolate/server/definitions/server_pb2_grpc.py b/src/isolate/server/definitions/server_pb2_grpc.py
index f1b02da..58eebad 100644
--- a/src/isolate/server/definitions/server_pb2_grpc.py
+++ b/src/isolate/server/definitions/server_pb2_grpc.py
@@ -16,10 +16,10 @@ def __init__(self, channel):
             channel: A grpc.Channel.
         """
         self.Run = channel.unary_stream(
-                '/Isolate/Run',
-                request_serializer=server__pb2.BoundFunction.SerializeToString,
-                response_deserializer=common__pb2.PartialRunResult.FromString,
-                )
+            "/Isolate/Run",
+            request_serializer=server__pb2.BoundFunction.SerializeToString,
+            response_deserializer=common__pb2.PartialRunResult.FromString,
+        )
 
 
 class IsolateServicer(object):
@@ -30,40 +30,53 @@ def Run(self, request, context):
         and the result originating from that function.
         """
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
-        context.set_details('Method not implemented!')
-        raise NotImplementedError('Method not implemented!')
+        context.set_details("Method not implemented!")
+        raise NotImplementedError("Method not implemented!")
 
 
 def add_IsolateServicer_to_server(servicer, server):
     rpc_method_handlers = {
-            'Run': grpc.unary_stream_rpc_method_handler(
-                    servicer.Run,
-                    request_deserializer=server__pb2.BoundFunction.FromString,
-                    response_serializer=common__pb2.PartialRunResult.SerializeToString,
-            ),
+        "Run": grpc.unary_stream_rpc_method_handler(
+            servicer.Run,
+            request_deserializer=server__pb2.BoundFunction.FromString,
+            response_serializer=common__pb2.PartialRunResult.SerializeToString,
+        ),
     }
     generic_handler = grpc.method_handlers_generic_handler(
-            'Isolate', rpc_method_handlers)
+        "Isolate", rpc_method_handlers
+    )
     server.add_generic_rpc_handlers((generic_handler,))
 
 
- # This class is part of an EXPERIMENTAL API.
+# This class is part of an EXPERIMENTAL API.
 class Isolate(object):
     """Missing associated documentation comment in .proto file."""
 
     @staticmethod
-    def Run(request,
+    def Run(
+        request,
+        target,
+        options=(),
+        channel_credentials=None,
+        call_credentials=None,
+        insecure=False,
+        compression=None,
+        wait_for_ready=None,
+        timeout=None,
+        metadata=None,
+    ):
+        return grpc.experimental.unary_stream(
+            request,
             target,
-            options=(),
-            channel_credentials=None,
-            call_credentials=None,
-            insecure=False,
-            compression=None,
-            wait_for_ready=None,
-            timeout=None,
-            metadata=None):
-        return grpc.experimental.unary_stream(request, target, '/Isolate/Run',
+            "/Isolate/Run",
             server__pb2.BoundFunction.SerializeToString,
             common__pb2.PartialRunResult.FromString,
-            options, channel_credentials,
-            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+            options,
+            channel_credentials,
+            insecure,
+            call_credentials,
+            compression,
+            wait_for_ready,
+            timeout,
+            metadata,
+        )
diff --git a/tests/test_server.py b/tests/test_server.py
index 2f657e7..a8e6f32 100644
--- a/tests/test_server.py
+++ b/tests/test_server.py
@@ -242,7 +242,9 @@ def test_server_multiple_envs(
         requirements.append(f"{REPO_DIR}[grpc]")
 
     env_definition = define_environment("virtualenv", requirements=requirements)
-    xtra_env_definition = define_environment("virtualenv", requirements=xtra_requirements)
+    xtra_env_definition = define_environment(
+        "virtualenv", requirements=xtra_requirements
+    )
     request = definitions.BoundFunction(
         function=to_serialized_object(
             partial(