bugfix - try with "Data from station" str search

Author: RasmusBahbah

src/pypromice/tx/tx.py

@@ -454,14 +454,15 @@ def getFormat(self):
         bool
             Valid format flag
         '''
-        
-        st_names_gios = ['Watson','GIOS','WAT_BR','WAT_R','RUS_R','LRU']
-        
+      
         if self.getFirstByte().isdigit() or (self.payload[:2] == '\n' and self.imei == 300234064121930):     #TODO needed?
             return None, None, None, None, -9999, False
 
-        elif any(st in self.email_data['subject'] for st in st_names_gios):
-            return None, None, None, None, -9999, False        
+        elif self.email_data['subject'].startswith("Data from station"):
+            return None, None, None, None, -9999, False    
+        
+        elif 'watson' in self.email_data['subject'].lower() or 'gios' in self.email_data['subject'].lower():
+            return None, None, None, None, -9999, False    
 
         else:
             bidx = ord(self.getFirstByte())