Fix blank string error

Committer: Tom Grek <tom.grek@gmail.com>
tomgrek · May 31, 2019 · 4909e1d · 4909e1d
1 parent 5f9f1b9
commit 4909e1d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/zincbase/utils/string_utils.py b/zincbase/utils/string_utils.py
@@ -34,8 +34,12 @@ def cleanse(line):
     return line[0].lower() + line[1:]
 
 def clean_punctuation(line):
+    if not line:
+        return line
     if line[0] in '.,()-:;':
         line = line[1:]
+    if not line:
+        return line
     if line[-1] in '.,()-:;':
         line = line[:-1]
     return line.strip()