add argument to enable to create a bucket

also fo t.py

t.py

@@ -12,7 +12,7 @@ ETERNITY = 1e10
 
 # token = "zqDbTcMv9UizfdTj15Fx_6vBetkM5mXN56EE9CiDaFsh7O2FFWZ2X4VwAAmdyqZr3HbpIr5ixRju07-oQmxpXw=="
 
-db = SEHistory(access='write')
+db = SEHistory(*sys.argv[1:])  # arguments: database, access
 
 print("""
 qry([start], [stop], [interval=...,] [last=True,] [columns=[...],] [<tag>=<value>, ] ...)
@@ -24,7 +24,7 @@ now = int(time.time())
 result = {}
 
 
-def prt(maxpoints=7, maxcurves=7):
+def prt(maxpoints=7, maxcurves=50):
     for i, (key, curve) in enumerate(result.items()):
         if i > maxcurves:
             print('--- ...')