Fix invalid escape sequence

cbrnr · cbrnr · commit ba4e1ab02642 · 2025-01-18T09:23:10.000+01:00
diff --git a/wfdb/processing/peaks.py b/wfdb/processing/peaks.py
@@ -4,7 +4,7 @@
 
 
 def find_peaks(sig):
-    """
+    r"""
     Find hard peaks and soft peaks in a signal, defined as follows:
 
     - Hard peak: a peak that is either /\ or \/.
