small change to is_binary function logic so it always skips the unicode conversions to perform this simple check

rhodecode/lib/vcs/nodes.py

@@ -276,16 +276,20 b' class FileNode(Node):'
             mode = self._mode
         return mode
 
+    def _get_content(self):
+        if self.changeset:
+            content = self.changeset.get_file_content(self.path)
+        else:
+            content = self._content
+        return content
+
     @property
     def content(self):
         """
         Returns lazily content of the FileNode. If possible, would try to
         decode content from UTF-8.
         """
-        if self.changeset:
-            content = self.changeset.get_file_content(self.path)
-        else:
-            content = self._content
+        content = self._get_content()
 
         if bool(content and '\0' in content):
             return content
@@ -406,7 +410,7 b' class FileNode(Node):'
         """
         Returns True if file has binary content.
         """
-        _bin = '\0' in self.content
+        _bin = '\0' in self._get_content()
         return _bin
 
     @LazyProperty