diff --git a/pyproject.toml b/pyproject.toml
index b9a3eaa..5eea633 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "rda_python_common"
-version = "2.0.1"
+version = "2.0.2"
 authors = [
   { name="Zaihua Ji", email="zji@ucar.edu" },
 ]
diff --git a/src/rda_python_common/pg_pass.py b/src/rda_python_common/pg_pass.py
index 3ae7dbd..eedbae8 100644
--- a/src/rda_python_common/pg_pass.py
+++ b/src/rda_python_common/pg_pass.py
@@ -15,7 +15,6 @@
 
 import sys
 import re
-import hvac
 from .pg_dbi import PgDBI
 
 class PgPassword(PgDBI):
@@ -39,7 +38,7 @@ def __init__(self):
       self.dbopt = False
       self.password = ''
 
-   # read in comman line parameters
+   # read in command line parameters
    def read_parameters(self):   
       argv = sys.argv[1:]
       opt = None
@@ -73,7 +72,7 @@ def read_parameters(self):
          sys.exit(0)
 
    # get the pgpassword
-   def read_pgpassword(self):
+   def start_actions(self):
       if self.dbopt:
          self.default_scinfo(self.DBINFO['dbname'], self.DBINFO['scname'], self.DBINFO['dbhost'],
                              self.DBINFO['lnname'], None, self.DBINFO['dbport'])   
@@ -82,10 +81,10 @@ def read_pgpassword(self):
 
 # main function to excecute this script
 def main():
-   pgpass = PgPassword()
-   pgpass.read_parameters()
-   pgpass.read_pgpassword()   
-   print(pgpass.password)
+   object = PgPassword()
+   object.read_parameters()
+   object.start_actions()   
+   print(object.password)
    sys.exit(0)
 
 # call main() to start program