diff --git a/sumstats/load.py b/sumstats/load.py
index 21c7063..df9e3f8 100644
--- a/sumstats/load.py
+++ b/sumstats/load.py
@@ -186,7 +186,6 @@ def load_study_info(self):
         """
         sql = sq.sqlClient(self.sqldb)
         identifier = self.study + "+" + self.qtl_group + "+" + self.quant_method
-        print(self.trait_file)
         trait_file_id = os.path.basename(self.trait_file)
         data = [self.study, identifier, self.qtl_group, self.tissue, trait_file_id, self.tissue_ont, self.treatment, self.treatment_ont, self.quant_method ]
         sql.cur.execute("insert or ignore into study_info values (?,?,?,?,?,?,?,?,?)", data)
diff --git a/sumstats/utils/argument_utils.py b/sumstats/utils/argument_utils.py
index 7b824e2..12e4c8b 100644
--- a/sumstats/utils/argument_utils.py
+++ b/sumstats/utils/argument_utils.py
@@ -37,8 +37,6 @@ def convert_search_args(args):
     paginate = args.paginate
 
     chromosome = args.chr
-    if chromosome is not None:
-        chromosome = int(chromosome)
 
     pval_interval = args.pval
     pval_interval = FloatInterval().set_string_tuple(pval_interval)
diff --git a/sumstats/utils/sqlite_client.py b/sumstats/utils/sqlite_client.py
index 596dc6b..2e3e706 100644
--- a/sumstats/utils/sqlite_client.py
+++ b/sumstats/utils/sqlite_client.py
@@ -86,19 +86,19 @@ def get_study_context_meta(self, identifier):
                      "condition_label": None
                      }
 
-        #self.cur.execute("SELECT * FROM study_info where identifier =?", (identifier,))
+        self.cur.execute("SELECT * FROM study_info where identifier =?", (identifier,))
 
-        self.cur.execute("""
-                          SELECT s.study, s.identifier, q.qtl_group, q.cell_type, s.trait_file, q.ontology_term, q.condition, q.condition_label 
-                          FROM qtl_context_mapping AS q 
-                          JOIN study_info AS s 
-                          ON q.study = s.study AND q.qtl_group = s.qtl_group 
-                          WHERE s.identifier =?
-                          """, (identifier,))
+        #self.cur.execute("""
+        #                  SELECT s.study, s.identifier, q.qtl_group, q.cell_type, s.trait_file, q.ontology_term, q.condition, q.condition_label 
+        #                  FROM qtl_context_mapping AS q 
+        #                  JOIN study_info AS s 
+        #                  ON q.study = s.study AND q.qtl_group = s.qtl_group 
+        #                  WHERE s.identifier =?
+        #                  """, (identifier,))
 
         data = self.cur.fetchone()
         if data:
-            data_dict["study"], data_dict["identifier"], data_dict["qtl_group"], data_dict["tissue_label"], data_dict["phen"], data_dict["tissue_ont"], data_dict["condition"], data_dict["condition_label"] = data
+            data_dict["study"], data_dict["identifier"], data_dict["qtl_group"], data_dict["tissue_label"], data_dict["phen"], data_dict["tissue_ont"], data_dict["condition"], _ , data_dict["quant_method"], data_dict["condition_label"] = data
         return data_dict
 
     def get_traits(self):
@@ -305,7 +305,8 @@ def commit(self):
         self.cur.execute("COMMIT")
 
     def drop_rsid_index(self):
-        self.cur.execute("DROP INDEX rsid_idx")
+        self.cur.execute("DROP INDEX IF EXISTS rsid_idx")
+            
 
     def create_rsid_index(self):
         self.cur.execute("CREATE INDEX rsid_idx on snp (rsid)")
diff --git a/sumstats/utils/vcf_to_sqlite.py b/sumstats/utils/vcf_to_sqlite.py
index 850e00c..a5033f9 100755
--- a/sumstats/utils/vcf_to_sqlite.py
+++ b/sumstats/utils/vcf_to_sqlite.py
@@ -6,31 +6,36 @@
 
 def main():
     argparser = argparse.ArgumentParser()
-    argparser.add_argument('-vcf', help='The name of the vcf to be processed', required=True)
+    argparser.add_argument('-vcf', help='The name of the vcf to be processed', required=False)
     argparser.add_argument('-db', help='The name of the database to load to', required=True)
+    argparser.add_argument('-index', help='create index on the rsid', required=False, action='store_true')
     args = argparser.parse_args()
     db = args.db
-    vcf = args.vcf
+    if args.vcf:
+        vcf = args.vcf 
 
-    vcfdf = pd.read_csv(vcf, sep='\t', 
-                        comment='#', 
-                        header=None, 
-                        dtype=str, 
-                        usecols=[0, 1, 2], 
-                        names=['CHROM', 'POS', 'RSID']
-                        )
-        
-    vcfdf.RSID = vcfdf.RSID.str.replace("rs","")
-    vcfdf.CHROM =vcfdf.CHROM.replace({'X': 23, 'Y': 24, 'MT': 25})
-
-    sql = sq.sqlClient(db)
-    sql.drop_rsid_index()
-    list_of_tuples = list(vcfdf.itertuples(index=False, name=None))
-    sql.cur.execute('BEGIN TRANSACTION')
-    sql.cur.executemany("insert or ignore into snp(chr, position, rsid) values (?, ?, ?)", list_of_tuples)
-    sql.cur.execute('COMMIT')
-    sql.create_rsid_index()
+        vcfdf = pd.read_csv(vcf, sep='\t', 
+                            comment='#', 
+                            header=None, 
+                            dtype=str, 
+                            usecols=[0, 1, 2], 
+                            names=['CHROM', 'POS', 'RSID']
+                            )
+            
+        vcfdf.RSID = vcfdf.RSID.str.replace("rs","")
 
+        sql = sq.sqlClient(db)
+        sql.drop_rsid_index()
+        list_of_tuples = list(vcfdf.itertuples(index=False, name=None))
+        sql.cur.execute('BEGIN TRANSACTION')
+        sql.cur.executemany("insert or ignore into snp(chr, position, rsid) values (?, ?, ?)", list_of_tuples)
+        sql.cur.execute('COMMIT')
+    if args.index:
+        sql = sq.sqlClient(db)
+        sql.drop_rsid_index()
+        sql.create_rsid_index()
+    else:
+        print("nothing left to do")
 
 
 if __name__ == '__main__':