Fix bug with column 1 name

bin/filter_blast_hits_by_target_length.py

@@ -124,7 +124,7 @@ def main():
 
         #6. Reset dataframe to valid BLAST output
         new_df.reset_index(inplace=True)
-        new_df = new_df[[0, "index", 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]]
+        new_df = new_df[[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]]
         new_df[11] = new_df[11].astype(int) #make sure bitscores are still int
 
         #7. And write the output to a file