diff --git a/stubs/gnupg.py b/stubs/gnupg.pyi
similarity index 75%
rename from stubs/gnupg.py
rename to stubs/gnupg.pyi
index 4f755bd4..58bf6aed 100644
--- a/stubs/gnupg.py
+++ b/stubs/gnupg.pyi
@@ -1,23 +1,15 @@
 from typing import List, Optional
 
-
 class ImportResult:
     stderr: str
     fingerprints: List[str]
     sec_imported: int
 
-
 class Sign:
     stderr: str
     status: Optional[str]
 
-
 class GPG:
-    def __init__(self, *, gnupghome: str, use_agent: bool) -> None:
-        ...
-
-    def import_keys(self, data: str) -> ImportResult:
-        ...
-
-    def sign(self, data: str, passphrase: Optional[str]) -> Sign:
-        ...
+    def __init__(self, *, gnupghome: str, use_agent: bool) -> None: ...
+    def import_keys(self, data: str) -> ImportResult: ...
+    def sign(self, data: str, passphrase: Optional[str]) -> Sign: ...
diff --git a/stubs/pexpect.py b/stubs/pexpect.py
deleted file mode 100644
index d8657bda..00000000
--- a/stubs/pexpect.py
+++ /dev/null
@@ -1,10 +0,0 @@
-class Spawn:
-    def expect(self, expected: str) -> int:
-        ...
-
-    def sendline(self, line: str) -> int:
-        ...
-
-
-def spawn(cmd: str) -> Spawn:
-    ...
diff --git a/stubs/pexpect.pyi b/stubs/pexpect.pyi
new file mode 100644
index 00000000..9fea743a
--- /dev/null
+++ b/stubs/pexpect.pyi
@@ -0,0 +1,5 @@
+class Spawn:
+    def expect(self, expected: str) -> int: ...
+    def sendline(self, line: str) -> int: ...
+
+def spawn(cmd: str) -> Spawn: ...
diff --git a/stubs/semver.py b/stubs/semver.py
deleted file mode 100644
index 922d47a2..00000000
--- a/stubs/semver.py
+++ /dev/null
@@ -1,13 +0,0 @@
-from __future__ import annotations
-
-
-class VersionInfo:
-    prerelease: str
-    build: str
-
-    def __lt__(self, other: VersionInfo) -> bool:
-        ...
-
-
-def parse_version_info(version: str) -> VersionInfo:
-    ...
diff --git a/stubs/semver.pyi b/stubs/semver.pyi
new file mode 100644
index 00000000..89d78092
--- /dev/null
+++ b/stubs/semver.pyi
@@ -0,0 +1,8 @@
+from __future__ import annotations
+
+class VersionInfo:
+    prerelease: str
+    build: str
+    def __lt__(self, other: VersionInfo) -> bool: ...
+
+def parse_version_info(version: str) -> VersionInfo: ...