small fix for the closing of connections in get_latest-version#

downloadversionIRdata.py

@@ -45,6 +45,7 @@ except:
 
 
 def get_latest_version(stream,project="W7X",Test=False,t_from=None,t_to=None,program=None):
+    
      """Find out latest version of given stream
      :param stream   url stream of interest
      :return int of version number of None if non-versioned or non-existing stream
@@ -75,6 +76,8 @@ def get_latest_version(stream,project="W7X",Test=False,t_from=None,t_to=None,pro
      except urllib.error.HTTPError as ex:
          msg = ex.read()
          raise RuntimeError(msg)
+     else:
+         response.close()
      # detect unversioned or non-existing stream
      if d["versionInfo"] == []:
          return None