Fixed bug that caused interactive mode to crash (#432)

Elliot Boschwitz · web-flow · commit 4a9308236df1 · 2020-03-04T20:34:43.000-08:00
diff --git a/mssqlcli/mssql_cli.py b/mssqlcli/mssql_cli.py
@@ -119,7 +119,8 @@ def set_default_pager(self, config):
         if not os.environ.get('LESS'):
             os.environ['LESS'] = '-SRXF'
 
-        os.environ['PAGER'] = default_pager
+        if default_pager is not None:
+            os.environ['PAGER'] = default_pager
         return default_pager
 
     def __init__(self, options):
