diff --git a/lusSTR/wrappers/snps_convert.py b/lusSTR/wrappers/snps_convert.py
index dbbf4f5..ad73276 100644
--- a/lusSTR/wrappers/snps_convert.py
+++ b/lusSTR/wrappers/snps_convert.py
@@ -66,9 +66,13 @@ def bin_snps(sample_file, output_type, sample):
         start = snp_num * 1000
         if snp_num != 9:
             end = start + 1000
-            bin_df = sorted_file.iloc[start:end,].reset_index(drop=True)
+            bin_df = sorted_file.iloc[
+                start:end,
+            ].reset_index(drop=True)
         else:
-            bin_df = sorted_file.iloc[start : len(sorted_file),].reset_index(drop=True)
+            bin_df = sorted_file.iloc[
+                start : len(sorted_file),
+            ].reset_index(drop=True)
         bin_df["Sample.Name"] = bin_df["Sample.Name"] + "_set" + str((snp_num + 1))
         compiled_table = pd.concat([compiled_table, bin_df])
         bin_df.to_csv(