修改python模块引用方式

pyat/DataBase.py

@@ -1,7 +1,7 @@
 import numpy as np
 from scipy.interpolate import Akima1DInterpolator, interp1d
 from netCDF4 import Dataset
-from pyat.ProfileDataType import Profile
+from ProfileDataType import Profile
 
 '''
 ************************************************************
@@ -33,7 +33,7 @@ class DataBase():
     """
     获取数据库中的剖面信息
     """
-    def __init__(self,ETOPO1path,STpath,dataSource):
+    def __init__(self,ETOPO1path,STpath,dataSource=None):
         # 打开ETOPO1数据
         fileETOPO1 = ETOPO1path+'/ETOPO1_Bed_g_gmt4.nc'
         dataETOPO1 = Dataset(fileETOPO1)