Fix for python3

2 files changed, 3 insertions, 2 deletions

diff --git a/pandora/client.py b/pandora/client.py
index a11f14c..fafd872 100644
--- a/pandora/client.py
+++ b/pandora/client.py
@@ -260,9 +260,10 @@ class APIClient(BaseAPIClient):
 
     def get_ad_item(self, station_id, ad_token):
         from .models.pandora import AdItem
+
         if not station_id:
             raise ValueError("The 'station_id' param must be defined, "
-                             "got: '%s'" % station_id)
+                             "got: '{}'".format(station_id))
 
         ad_metadata = self.get_ad_metadata(ad_token)
         ad_metadata["stationId"] = station_id
diff --git a/pandora/transport.py b/pandora/transport.py
index e43a8e3..1a2ee69 100644
--- a/pandora/transport.py
+++ b/pandora/transport.py
@@ -75,7 +75,7 @@ def delay_exponential(base, growth_factor, attempts):
         base = random.random()
     elif base <= 0:
         raise ValueError("The 'base' param must be greater than 0, "
-                         "got: %s" % base)
+                         "got: {}".format(base))
     time_to_sleep = base * (growth_factor ** (attempts - 1))
     return time_to_sleep