fix file classification error if file is a binary

ansiblelater/__init__.py

@@ -82,16 +82,16 @@ class Result(object):
 class Candidate(object):
     def __init__(self, filename):
         self.path = filename
+        self.binary = False
+        self.vault = False
+
         try:
             self.version = find_version(filename)
-            self.binary = False
-        except UnicodeDecodeError:
-            self.binary = True
-
-        self.vault = False
             with codecs.open(filename, mode='rb', encoding='utf-8') as f:
                 if f.readline().startswith("$ANSIBLE_VAULT"):
                     self.vault = True
+        except UnicodeDecodeError:
+            self.binary = True
 
         self.filetype = type(self).__name__.lower()
         self.expected_version = True