From 2689cdb5f6c4c1b78734408d9a15c252de138278 Mon Sep 17 00:00:00 2001
From: Ogi Moore <ognyan.moore@gmail.com>
Date: Tue, 22 Dec 2020 00:38:58 -0800
Subject: [PATCH] Fix regex warning

---
 pyqtgraph/functions.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyqtgraph/functions.py b/pyqtgraph/functions.py
index a2949ef7..fb716904 100644
--- a/pyqtgraph/functions.py
+++ b/pyqtgraph/functions.py
@@ -38,7 +38,7 @@ SI_PREFIXES_ASCII = 'yzafpnum kMGTPEZY'
 SI_PREFIX_EXPONENTS = dict([(SI_PREFIXES[i], (i-8)*3) for i in range(len(SI_PREFIXES))])
 SI_PREFIX_EXPONENTS['u'] = -6
 
-FLOAT_REGEX = re.compile(r'(?P<number>[+-]?((((\d+(\.\d*)?)|(\d*\.\d+))([eE][+-]?\d+)?)|((?i)(nan)|(inf))))\s*((?P<siPrefix>[u' + SI_PREFIXES + r']?)(?P<suffix>\w.*))?$')
+FLOAT_REGEX = re.compile(r'(?P<number>[+-]?((((\d+(\.\d*)?)|(\d*\.\d+))([eE][+-]?\d+)?)|((?i:nan)|(inf))))\s*((?P<siPrefix>[u' + SI_PREFIXES + r']?)(?P<suffix>\w.*))?$')
 INT_REGEX = re.compile(r'(?P<number>[+-]?\d+)\s*(?P<siPrefix>[u' + SI_PREFIXES + r']?)(?P<suffix>.*)$')