diff --git a/pyproject.toml b/pyproject.toml
index 3a76fd8..1e80e19 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pyprotostuben"
-version = "0.1.0"
+version = "0.1.1"
 description = ""
 authors = ["zerlok <danil.troshnev@gmail.com>"]
 readme = "README.md"
diff --git a/src/pyprotostuben/codegen/abc.py b/src/pyprotostuben/codegen/abc.py
index 9f3e0fe..17fdc12 100644
--- a/src/pyprotostuben/codegen/abc.py
+++ b/src/pyprotostuben/codegen/abc.py
@@ -15,5 +15,5 @@ def run(self, request: CodeGeneratorRequest) -> CodeGeneratorResponse:
 
 class ProtoFileGenerator(metaclass=abc.ABCMeta):
     @abc.abstractmethod
-    def run(self, file: ProtoFile) -> t.Iterable[t.Tuple[ProtoFile, Path, str]]:
+    def run(self, file: ProtoFile) -> t.Sequence[t.Tuple[ProtoFile, Path, str]]:
         raise NotImplementedError
diff --git a/src/pyprotostuben/codegen/module_ast.py b/src/pyprotostuben/codegen/module_ast.py
index a692436..c9f59d9 100644
--- a/src/pyprotostuben/codegen/module_ast.py
+++ b/src/pyprotostuben/codegen/module_ast.py
@@ -4,7 +4,7 @@
 from pathlib import Path
 
 from pyprotostuben.codegen.abc import ProtoFileGenerator
-from pyprotostuben.logging import LoggerMixin
+from pyprotostuben.logging import Logger, LoggerMixin
 from pyprotostuben.protobuf.file import ProtoFile
 from pyprotostuben.protobuf.visitor.abc import visit
 from pyprotostuben.protobuf.visitor.decorator import ProtoVisitorDecorator
@@ -21,7 +21,7 @@ class ModuleASTBasedProtoFileGenerator(ProtoFileGenerator, LoggerMixin):
     def __init__(self, factory: ModuleASTProtoVisitorDecoratorFactory) -> None:
         self.__factory = factory
 
-    def run(self, file: ProtoFile) -> t.Iterable[t.Tuple[ProtoFile, Path, str]]:
+    def run(self, file: ProtoFile) -> t.Sequence[t.Tuple[ProtoFile, Path, str]]:
         log = self._log.bind_details(file_name=file.name)
         log.debug("file received")
 
@@ -33,6 +33,14 @@ def run(self, file: ProtoFile) -> t.Iterable[t.Tuple[ProtoFile, Path, str]]:
         visit(DFSWalkingProtoVisitor(generator), file.descriptor)
         log.debug("proto visited", modules=modules)
 
+        return list(self.__gen_modules(file, modules, log))
+
+    def __gen_modules(
+        self,
+        file: ProtoFile,
+        modules: t.Mapping[Path, ast.Module],
+        log: Logger,
+    ) -> t.Iterable[t.Tuple[ProtoFile, Path, str]]:
         for path, module_ast in modules.items():
             if not module_ast.body:
                 continue
diff --git a/src/pyprotostuben/logging.py b/src/pyprotostuben/logging.py
index 18bd426..4669ffb 100644
--- a/src/pyprotostuben/logging.py
+++ b/src/pyprotostuben/logging.py
@@ -8,7 +8,11 @@
 from logging.config import dictConfig
 from pathlib import Path
 
-from typing_extensions import Self
+if t.TYPE_CHECKING:
+    from typing_extensions import Self
+
+else:
+    Self = t.Any
 
 
 class Logger(
@@ -39,7 +43,7 @@ def configure(cls) -> None:
                     },
                 },
                 "root": {
-                    "level": os.getenv("LOGGING_LEVEL", "INFO").strip().upper(),
+                    "level": os.getenv("LOGGING_LEVEL", "WARNING").strip().upper(),
                     "handlers": ["stderr"],
                 },
             }
diff --git a/src/pyprotostuben/protobuf/context.py b/src/pyprotostuben/protobuf/context.py
index 969b124..391ca0c 100644
--- a/src/pyprotostuben/protobuf/context.py
+++ b/src/pyprotostuben/protobuf/context.py
@@ -50,7 +50,7 @@ def build(cls, request: CodeGeneratorRequest) -> CodeGeneratorContext:
         return CodeGeneratorContext(
             request=request,
             params=parser.parse(request.parameter),
-            files=[files[file.name] for file in request.proto_file],
+            files=[files[name] for name in request.file_to_generate],
             registry=TypeRegistry(infos, map_entries),
         )
 
diff --git a/tests/integration/cases/004_message_import/expected_gen/message_import_pb2.pyi b/tests/integration/cases/004_message_import/expected_gen/message_import_pb2.pyi
index 6af9aca..bc816db 100644
--- a/tests/integration/cases/004_message_import/expected_gen/message_import_pb2.pyi
+++ b/tests/integration/cases/004_message_import/expected_gen/message_import_pb2.pyi
@@ -1,5 +1,6 @@
 import builtins
 import google.protobuf.message
+import google.protobuf.timestamp_pb2
 import message1_pb2
 import message2_pb2
 import message3_pb2
@@ -7,7 +8,7 @@ import typing
 
 class MessageImport(google.protobuf.message.Message):
 
-    def __init__(self, *, m1: message1_pb2.Message1, m2: message2_pb2.Message2, m3: message3_pb2.Message3) -> None:...
+    def __init__(self, *, m1: message1_pb2.Message1, m2: message2_pb2.Message2, m3: message3_pb2.Message3, ts: google.protobuf.timestamp_pb2.Timestamp) -> None:...
 
     @builtins.property
     def m1(self) -> message1_pb2.Message1:...
@@ -18,6 +19,9 @@ class MessageImport(google.protobuf.message.Message):
     @builtins.property
     def m3(self) -> message3_pb2.Message3:...
 
+    @builtins.property
+    def ts(self) -> google.protobuf.timestamp_pb2.Timestamp:...
+
     def HasField(self, field_name: typing.NoReturn) -> typing.NoReturn:...
 
     def WhichOneof(self, oneof_group: typing.NoReturn) -> typing.NoReturn:...
\ No newline at end of file
diff --git a/tests/integration/cases/004_message_import/proto/message_import.proto b/tests/integration/cases/004_message_import/proto/message_import.proto
index eff23a9..e785469 100644
--- a/tests/integration/cases/004_message_import/proto/message_import.proto
+++ b/tests/integration/cases/004_message_import/proto/message_import.proto
@@ -5,9 +5,11 @@ package message_import;
 import "message1.proto";
 import "message2.proto";
 import "message3.proto";
+import "google/protobuf/timestamp.proto";
 
 message MessageImport {
   message_import.Message1 m1 = 1;
   message_import.Message2 m2 = 2;
   message3.Message3 m3 = 3;
+  google.protobuf.Timestamp ts = 4;
 }