Update c4_200m.py

c4_200m.py

@@ -83,7 +83,7 @@ class C4200M(datasets.GeneratorBasedBuilder):
             for line in s:
                 yield line.replace('\0', ' ')
 
-        path = os.path.join(filepath, "/*.tsv*")
+        path = os.path.join(filepath, "*.tsv*")
         for filename in glob.glob(path):
             with open(filename, encoding="utf-8") as f:
                 reader = csv.reader(fix_nulls(f), delimiter="\t", quoting=csv.QUOTE_NONE)