Skip dot version check when -n,--no-filter.

Fixes #121
jrfonseca · Sep 18, 2023 · 81a60c3 · 81a60c3
1 parent e875d51
commit 81a60c3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/xdot/ui/window.py b/xdot/ui/window.py
@@ -156,7 +156,7 @@ def set_dotcode(self, dotcode, filename=None, center=True):
     def set_xdotcode(self, xdotcode, center=True):
         assert isinstance(xdotcode, bytes)
 
-        if self.graphviz_version is None:
+        if self.graphviz_version is None and self.filter is not None:
             stdout = subprocess.check_output([self.filter, '-V'], stderr=subprocess.STDOUT)
             stdout = stdout.rstrip()
             mo = re.match(br'^.* - .* version (?P<version>.*) \(.*\)$', stdout)