fix reading of stable values

Python_script/prototype.py

@@ -144,6 +144,8 @@ class Measurements:
                                 self.clock.sleep(self.sleep_time)
 
                         for i in range(0, next_reads):
+                            data = self.read_data()
+
                             # get the actual temperature & humidity
                             self.write_data(writer, next_temp, next_hum, data, self.cook_up_equi_indicator())
                             print('Read no.', str(i))