From 910b321f2d72cab4710d1c50df40048b3b1df108 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maurice=20Hern=C3=A9?= <maurice.herne@rwth-aachen.de>
Date: Thu, 7 Nov 2024 00:29:12 +0100
Subject: [PATCH] Fix malformed string formatting

---
 src/Notebook_Processor/desired_state/cell_modifier.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Notebook_Processor/desired_state/cell_modifier.py b/src/Notebook_Processor/desired_state/cell_modifier.py
index 03d2a61..0cd859b 100644
--- a/src/Notebook_Processor/desired_state/cell_modifier.py
+++ b/src/Notebook_Processor/desired_state/cell_modifier.py
@@ -155,13 +155,13 @@ class CellModifier(BaseModel):
         if signature[sig_keys[0]].kind not in (inspect.Parameter.POSITIONAL_ONLY, inspect.Parameter.POSITIONAL_OR_KEYWORD):
             raise ValueError(
                 f"Offending function signature: Action {self.action.__name__} must have the first parameter 'cell' as a positional argument.",
-                f"Found: {sig_keys[0], signature[sig_keys[0]]}",
+                f"Found: {sig_keys[0]}, {signature[sig_keys[0]]}",
                 )
 
         if signature[sig_keys[-1]].kind != inspect.Parameter.VAR_KEYWORD:
             raise ValueError(
                 f"Offending function signature: Action {self.action.__name__} must accept keyword arguments.",
-                f"The last paramter should be '**kwargs', found: {sig_keys[-1], signature[sig_keys[-1]].kind}",
+                f"The last paramter should be '**kwargs', found: {sig_keys[-1]}, {signature[sig_keys[-1]].kind}",
                 )
 
         missing_annotations = [
-- 
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