Try again to fix unit test fo py 2.7

beem/version.py

 """THIS FILE IS GENERATED FROM beem SETUP.PY."""
-version = '0.19.17'
+version = '0.19.18'

beemapi/version.py

 """THIS FILE IS GENERATED FROM beem SETUP.PY."""
-version = '0.19.17'
+version = '0.19.18'

beembase/version.py

 """THIS FILE IS GENERATED FROM beem SETUP.PY."""
-version = '0.19.17'
+version = '0.19.18'

beemgrapheneapi/version.py

 """THIS FILE IS GENERATED FROM beem SETUP.PY."""
-version = '0.19.17'
+version = '0.19.18'

beemgraphenebase/version.py

 """THIS FILE IS GENERATED FROM beem SETUP.PY."""
-version = '0.19.17'
+version = '0.19.18'

tests/beemapi/test_steemnoderpc.py

@@ -24,10 +24,12 @@ core_unit = "STM"
 nodes = ["wss://steemd.pevo.science", "wss://gtg.steem.house:8090", "wss://rpc.steemliberator.com", "wss://rpc.buildteam.io",
          "wss://rpc.steemviz.com", "wss://seed.bitcoiner.me", "wss://node.steem.ws", "wss://steemd.steemgigs.org", "wss://steemd.steemit.com",
          "wss://steemd.minnowsupportproject.org"]
-nodes_https = ["https://api.steemit.com"]
+nodes_https = ['https://api.steemit.com','https://steemd.privex.io','https://steemd.pevo.science','https://rpc.steemliberator.com',
+              'https://rpc.buildteam.io','https://steemd.minnowsupportproject.org','https://gtg.steem.house:8090','https://seed.bitcoiner.me']
 nodes_appbase = ["https://api.steemitstage.com", "wss://appbasetest.timcliff.com"]
 test_list = ["wss://steemd.doesnot.exists", "wss://api.steemit.com", "wss://steemd.pevo.science", "wss://gtg.steem.house:8090",
-             "https://api.steemit.com", "https://api.steemitstage.com", "wss://appbasetest.timcliff.com"]
+             "https://api.steemit.com", "https://api.steemitstage.com", "wss://appbasetest.timcliff.com",'https://steemd.privex.io','https://steemd.pevo.science','https://rpc.steemliberator.com',
+              'https://rpc.buildteam.io','https://steemd.minnowsupportproject.org','https://gtg.steem.house:8090','https://seed.bitcoiner.me']
 
 
 class Testcases(unittest.TestCase):

tests/beemgraphene/test_key_format.py

@@ -54,19 +54,19 @@ class Testcases(unittest.TestCase):
     def test_btc_uncompressed(self):
         public_key = PublicKey(key["public_key"])
         address = Address(address=None, pubkey=public_key.unCompressed())
-        self.assertEqual(str(key["Uncompressed_BTC"]), str(format(address.derive256address_with_version(0), "STM")))
+        self.assertEqual(str(key["Uncompressed_BTC"]), (format(address.derive256address_with_version(0), "STM")))
 
     def test_btc_compressed(self):
         public_key = PublicKey(key["public_key"])
         address = Address(address=None, pubkey=repr(public_key))
-        self.assertEqual(str(key["Compressed_BTC"]), str(format(address.derive256address_with_version(0), "STM")))
+        self.assertEqual(str(key["Compressed_BTC"]), (format(address.derive256address_with_version(0), "STM")))
 
     def test_pts_uncompressed(self):
         public_key = PublicKey(key["public_key"])
         address = Address(address=None, pubkey=public_key.unCompressed())
-        self.assertEqual(str(key["Uncompressed_PTS"]), str(format(address.derive256address_with_version(56), "STM")))
+        self.assertEqual(str(key["Uncompressed_PTS"]), (format(address.derive256address_with_version(56), "STM")))
 
     def test_pts_compressed(self):
         public_key = PublicKey(key["public_key"])
         address = Address(address=None, pubkey=repr(public_key))
-        self.assertEqual(str(key["Compressed_PTS"]), str(format(address.derive256address_with_version(56), "STM")))
+        self.assertEqual(str(key["Compressed_PTS"]), (format(address.derive256address_with_version(56), "STM")))