feat(device): implement RefreshPollerMixin for Device class (#84)

The Device class extends the RefreshPollerMixin class. We implemented the is_ready() method that enables the poll_till_ready method. This method can no be used to wait for a device until it is online.

rapyuta_io/clients/device.py

@@ -22,6 +22,7 @@
 from rapyuta_io.utils.utils import create_auth_header, get_error, get_api_response_data, \
     validate_key_value, response_validator, is_true
 from rapyuta_io.utils.partials import PartialMixin
+from rapyuta_io.utils.pollers import RefreshPollerMixin
 
 DEVICE_API_ERRORS = {
     400: ParameterMissingException,
@@ -217,7 +218,7 @@ def __str__(self):
     PYTHON3 = '3'
 
 
-class Device(PartialMixin, ObjDict):
+class Device(PartialMixin, RefreshPollerMixin, ObjDict):
     """
     Device class represents a device. Member variables of the class represent the
     properties of device. \n
@@ -350,6 +351,9 @@ def is_online(self):
             return True
         return False
 
+    def is_ready(self):
+        return self.is_online()
+
     def get_runtime(self):
         """
         Get the device runtime