修改python模块引用方式

wgnp.py

@@ -2,6 +2,8 @@
 import warnings
 warnings.filterwarnings('ignore')
 import argparse, json
+import os, sys
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__))+'/pyat')
 
 def _argparse():
     parser = argparse.ArgumentParser(description='Wind Generated Noise Prediction')
@@ -32,8 +34,7 @@ def main():
         png = paramData["png"]
         outParam = paramData["outParam"]
     
-        from pyat.WGNPd import WGNPd
-        from pyat.DataBase import DataBase
+        from WGNPd import WGNPd
         import matplotlib.pyplot as plt
         import numpy as np