diff --git a/lbrynet/cryptstream/CryptStreamCreator.py b/lbrynet/cryptstream/CryptStreamCreator.py
index b1798806f..2a22ce01d 100644
--- a/lbrynet/cryptstream/CryptStreamCreator.py
+++ b/lbrynet/cryptstream/CryptStreamCreator.py
@@ -100,13 +100,13 @@ class CryptStreamCreator(object):
     @staticmethod
     def random_iv_generator():
         while 1:
-            yield os.urandom(AES.block_size / 8)
+            yield os.urandom(AES.block_size // 8)
 
     def setup(self):
         """Create the symmetric key if it wasn't provided"""
 
         if self.key is None:
-            self.key = os.urandom(AES.block_size / 8)
+            self.key = os.urandom(AES.block_size // 8)
 
         return defer.succeed(True)
 
@@ -121,7 +121,7 @@ class CryptStreamCreator(object):
 
         yield defer.DeferredList(self.finished_deferreds)
         self.blob_count += 1
-        iv = self.iv_generator.next()
+        iv = next(self.iv_generator)
         final_blob = self._get_blob_maker(iv, self.blob_manager.get_blob_creator())
         stream_terminator = yield final_blob.close()
         terminator_info = yield self._blob_finished(stream_terminator)
@@ -132,7 +132,7 @@ class CryptStreamCreator(object):
             if self.current_blob is None:
                 self.next_blob_creator = self.blob_manager.get_blob_creator()
                 self.blob_count += 1
-                iv = self.iv_generator.next()
+                iv = next(self.iv_generator)
                 self.current_blob = self._get_blob_maker(iv, self.next_blob_creator)
             done, num_bytes_written = self.current_blob.write(data)
             data = data[num_bytes_written:]
diff --git a/tests/integration/wallet/test_commands.py b/tests/integration/wallet/test_commands.py
index 447af0ed3..8102888b5 100644
--- a/tests/integration/wallet/test_commands.py
+++ b/tests/integration/wallet/test_commands.py
@@ -1,4 +1,4 @@
-import types
+import tempfile
 
 from twisted.internet import defer
 from orchstr8.testcase import IntegrationTestCase, d2f
@@ -25,8 +25,14 @@ class FakeAnalytics:
         pass
 
 
+class FakeBlobManager:
+    def get_blob_creator(self):
+        return None
+
+
 class FakeSession:
     storage = None
+    blob_manager = FakeBlobManager()
 
 
 class CommandTestCase(IntegrationTestCase):
@@ -53,24 +59,30 @@ class CommandTestCase(IntegrationTestCase):
         await self.on_transaction_id(sendtxid)
         await self.blockchain.generate(1)
         await self.on_transaction_id(sendtxid)
+
         self.daemon = Daemon(FakeAnalytics())
-        self.daemon.wallet = self.manager
+
         wallet_component = WalletComponent(self.daemon.component_manager)
         wallet_component.wallet = self.manager
         wallet_component._running = True
+        self.daemon.wallet = self.manager
         self.daemon.component_manager.components.add(wallet_component)
+
         session_component = SessionComponent(self.daemon.component_manager)
         session_component.session = FakeSession()
         session_component._running = True
+        self.daemon.session = session_component.session
         self.daemon.component_manager.components.add(session_component)
+
         file_manager = FileManager(self.daemon.component_manager)
         file_manager.file_manager = EncryptedFileManager(session_component.session, True)
         file_manager._running = True
         self.daemon.component_manager.components.add(file_manager)
+
         storage_component = DatabaseComponent(self.daemon.component_manager)
         await d2f(storage_component.start())
-        self.daemon.component_manager.components.add(storage_component)
         self.daemon.storage = storage_component.storage
+        self.daemon.component_manager.components.add(storage_component)
 
 
 class ChannelNewCommandTests(CommandTestCase):
@@ -102,10 +114,8 @@ class PublishCommandTests(CommandTestCase):
 
     @defer.inlineCallbacks
     def test_publish(self):
-        result = yield self.daemon.jsonrpc_publish('foo', 1, sources={
-                'version': '_0_0_1',
-                'sourceType': 'lbry_sd_hash',
-                'source': '0' * 96,
-                'contentType': ''
-            })
-        print(result)
+        with tempfile.NamedTemporaryFile() as file:
+            file.write(b'hello world!')
+            file.flush()
+            result = yield self.daemon.jsonrpc_publish('foo', 1, file_path=file.name)
+            print(result)