Replaced deprecated 'rU' with 'r' to make this work on recent python versions

Tanushree Tunstall · Tanushree Tunstall · commit cf577c443ff8 · 2024-07-24T15:40:52.000+01:00
diff --git a/PopPUNK/utils.py b/PopPUNK/utils.py
@@ -422,7 +422,7 @@ def readRfile(rFile, oneSeq=False):
     """
     names = []
     sequences = []
-    with open(rFile, 'rU') as refFile:
+    with open(rFile, 'r') as refFile:
         for refLine in refFile:
             rFields = refLine.rstrip().split("\t")
             if len(rFields) < 2:
