diff --git a/src/relic/sga/core/cli.py b/src/relic/sga/core/cli.py
index 0f1ca42..a4b7423 100644
--- a/src/relic/sga/core/cli.py
+++ b/src/relic/sga/core/cli.py
@@ -11,7 +11,9 @@
 class RelicSgaCli(CliPluginGroup):
     GROUP = "relic.cli.sga"
 
-    def _create_parser(self, command_group: Optional[_SubParsersAction] = None) -> ArgumentParser:
+    def _create_parser(
+        self, command_group: Optional[_SubParsersAction] = None
+    ) -> ArgumentParser:
         if command_group is None:
             return ArgumentParser("sga")
         else:
@@ -19,8 +21,9 @@ def _create_parser(self, command_group: Optional[_SubParsersAction] = None) -> A
 
 
 class RelicSgaUnpackCli(CliPlugin):
-
-    def _create_parser(self, command_group: Optional[_SubParsersAction] = None) -> ArgumentParser:
+    def _create_parser(
+        self, command_group: Optional[_SubParsersAction] = None
+    ) -> ArgumentParser:
         parser: ArgumentParser
         if command_group is None:
             parser = ArgumentParser("unpack")
@@ -38,7 +41,7 @@ def command(self, ns: Namespace) -> Optional[int]:
 
         print(f"Unpacking `{infile}`")
 
-        def _callback(_1: FS, srcfile: str, _2: FS, _3: str):
+        def _callback(_1: FS, srcfile: str, _2: FS, _3: str) -> None:
             print(f"\t\tUnpacking File `{srcfile}`")
 
         fs.copy.copy_fs(f"sga://{infile}", f"osfs://{outdir}", on_copy=_callback)
@@ -49,7 +52,9 @@ def _callback(_1: FS, srcfile: str, _2: FS, _3: str):
 class RelicSgaPackCli(CliPluginGroup):
     GROUP = "relic.cli.sga.pack"
 
-    def _create_parser(self, command_group: Optional[_SubParsersAction] = None) -> ArgumentParser:
+    def _create_parser(
+        self, command_group: Optional[_SubParsersAction] = None
+    ) -> ArgumentParser:
         parser: ArgumentParser
         if command_group is None:
             parser = ArgumentParser("pack")
@@ -59,4 +64,3 @@ def _create_parser(self, command_group: Optional[_SubParsersAction] = None) -> A
         # pack further delegates to version plugins
 
         return parser
-
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 7c2305b..5bce432 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -1,5 +1,6 @@
 import io
 import subprocess
+
 # Local testing requires running `pip install -e "."`
 from contextlib import redirect_stdout
 from typing import Sequence
@@ -19,6 +20,7 @@ def test_run(self, args: Sequence[str], output: str, exit_code: int):
 
     def test_run_with(self, args: Sequence[str], output: str, exit_code: int):
         from relic.core.cli import cli_root
+
         with io.StringIO() as f:
             with redirect_stdout(f):
                 status = cli_root.run_with(*args)
@@ -34,7 +36,7 @@ def test_run_with(self, args: Sequence[str], output: str, exit_code: int):
 _SGA_UNPACK_HELP = ["sga", "unpack", "-h"], """usage: relic sga unpack [-h]""", 0
 
 _TESTS = [_SGA_HELP, _SGA_PACK_HELP, _SGA_UNPACK_HELP]
-_TEST_IDS = [' '.join(_[0]) for _ in _TESTS]
+_TEST_IDS = [" ".join(_[0]) for _ in _TESTS]
 
 
 @pytest.mark.parametrize(["args", "output", "exit_code"], _TESTS, ids=_TEST_IDS)