From 45910d08f23005222dbecf93e58b09fc323dc750 Mon Sep 17 00:00:00 2001
From: SushankMishra <158817130+SushankMishra@users.noreply.github.com>
Date: Sun, 8 Jun 2025 20:07:24 +0530
Subject: [PATCH] Update fitting.py

'Split' variable remains unassigned without the explicit assignment in selective cases and is referenced before assignment in the iterative loop on line 330.

Fixed through the given explicit assignment.
---
 impedance/models/circuits/fitting.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/impedance/models/circuits/fitting.py b/impedance/models/circuits/fitting.py
index 5fe1c30..a37de37 100644
--- a/impedance/models/circuits/fitting.py
+++ b/impedance/models/circuits/fitting.py
@@ -324,6 +324,8 @@ def count_parens(string):
         split = parallel
     elif series == parallel:  # only single element
         split = series
+    else:
+        split = parallel
 
     for i, elem in enumerate(split):
         if ',' in elem or '-' in elem: