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-rw-r--r--grc/gui/Executor.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/grc/gui/Executor.py b/grc/gui/Executor.py
index bf9eecb9a8..f91a341541 100644
--- a/grc/gui/Executor.py
+++ b/grc/gui/Executor.py
@@ -65,7 +65,7 @@ class ExecFlowGraphThread(threading.Thread):
filename=shlex_quote(generator.file_path))
run_command_args = shlex.split(run_command)
except Exception as e:
- raise ValueError("Can't parse run command {!r}: {}".format(run_command, e))
+ raise ValueError("Can't parse run command {!r}: {0}".format(run_command, e))
# When in no gui mode on linux, use a graphical terminal (looks nice)
xterm_executable = find_executable(self.xterm_executable)