Merge pull request #147 from phaverty-ginkgo/suppress_regex_warning

fix: Suppress warning about invalid escape sequence

Author: roryk

gff/BCBio/GFF/GFFParser.py

@@ -68,7 +68,7 @@ def _merge_keyvals(parts):
                 out.append(p)
         return out
 
-    gff3_kw_pat = re.compile("\w+=")
+    gff3_kw_pat = re.compile(r"\w+=")
     def _split_keyvals(keyval_str):
         """Split key-value pairs in a GFF2, GTF and GFF3 compatible way.