From 2ba38dd2a18ab57ed7aac7ccdd6a42ff5e4d4eb7 Mon Sep 17 00:00:00 2001
From: jvoisin
Date: Fri, 12 Oct 2018 11:58:01 +0200
Subject: Bump mypy typing coverage

---
 libmat2/__init__.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'libmat2/__init__.py')

diff --git a/libmat2/__init__.py b/libmat2/__init__.py
index fbb61bc..f55a14c 100644
--- a/libmat2/__init__.py
+++ b/libmat2/__init__.py
@@ -8,6 +8,7 @@ from typing import Dict, Optional
 
 # make pyflakes happy
 assert Dict
+assert Optional
 
 # A set of extension that aren't supported, despite matching a supported mimetype
 UNSUPPORTED_EXTENSIONS = {
@@ -36,7 +37,7 @@ DEPENDENCIES = {
     'mutagen': 'Mutagen',
     }
 
-def _get_exiftool_path() -> Optional[str]:  # pragma: no cover
+def _get_exiftool_path() -> str:  # pragma: no cover
     exiftool_path = '/usr/bin/exiftool'
     if os.path.isfile(exiftool_path):
         if os.access(exiftool_path, os.X_OK):
@@ -48,7 +49,7 @@ def _get_exiftool_path() -> Optional[str]:  # pragma: no cover
         if os.access(exiftool_path, os.X_OK):
             return exiftool_path
 
-    return None
+    raise ValueError
 
 def check_dependencies() -> dict:
     ret = collections.defaultdict(bool)  # type: Dict[str, bool]
-- 
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