diff --git a/pybtc/__init__.py b/pybtc/__init__.py
index 4987c0f..4c5a1c4 100644
--- a/pybtc/__init__.py
+++ b/pybtc/__init__.py
@@ -1,6 +1,6 @@
-# from .tools import *
-# from .opcodes import *
+from .tools import *
+from .opcodes import *
 from .consensus import *
-from .blockchain import *
+from .transaction import *
 
 version = "2.0.1"
diff --git a/pybtc/blockchain.py b/pybtc/blockchain.py
index 7a49756..c52f211 100644
--- a/pybtc/blockchain.py
+++ b/pybtc/blockchain.py
@@ -12,7 +12,7 @@ k = 0
 
 
 
-class Transaction():
+class OLDTransaction():
     def __init__(self, version = 1, tx_in = [], tx_out = [] , lock_time = 0,
                  hash=None, size = 0, timestamp = None,
                  marker = None, flag = None, witness = [],
@@ -410,7 +410,7 @@ class Transaction():
                    witness = witness, whash = wtx_id, vsize = vsize)
 
 
-class Block():
+class OLDBlock():
     def __init__(self, version, prev_block, merkle_root,
                  timestamp, bits, nonce, txs, block_size, hash = None, header = None):
         qt = time.time()
diff --git a/pybtc/transaction.py b/pybtc/transaction.py
index 238d4f6..ba6e3d8 100644
--- a/pybtc/transaction.py
+++ b/pybtc/transaction.py
@@ -42,13 +42,13 @@ class Transaction(dict):
         for k in range(ic):
             self["vIn"][k] = dict()
             self["vIn"][k]["txId"] = stream.read(32)
-            (self["vIn"][k]["vOut"],) = unpack('<L', stream.read(4))
+            self["vIn"][k]["vOut"] = unpack('<L', stream.read(4))[0]
             n = var_int_to_int(read_var_int(stream))
             self["vIn"][k]["scriptSig"] = stream.read(n)
             (self["vIn"][k]["sequence"],) = unpack('<L', stream.read(4))
         for k in range(var_int_to_int(read_var_int(stream))):
             self["vOut"][k] = dict()
-            (self["vOut"][k]["value"],) = unpack('<Q', stream.read(8))
+            self["vOut"][k]["value"] = unpack('<Q', stream.read(8))[0]
             self["amount"] += self["vOut"][k]["value"]
             self["vOut"][k]["scriptPubKey"] = stream.read(var_int_to_int(read_var_int(stream)))
             s = parse_script(self["vOut"][k]["scriptPubKey"], sw)
@@ -66,7 +66,7 @@ class Transaction(dict):
                 self["vIn"][k]["txInWitness"] = [stream.read(var_int_to_int(read_var_int(stream))) \
                                                  for c in range(var_int_to_int(read_var_int(stream)))]
             sw_len = stream.tell() - sw + 2
-        (self["lockTime"],) = unpack('<L', stream.read(4))
+        self["lockTime"] = unpack('<L', stream.read(4))[0]
         end = stream.tell()
         stream.seek(start)
         b = stream.read(end - start)
@@ -221,5 +221,4 @@ class Transaction(dict):
             return json.dumps(self)
         except:
             pass
-        print(self)
         return json.dumps(self.decode())
\ No newline at end of file
diff --git a/tests/test/transaction_deserialize.py b/tests/test/transaction_deserialize.py
index 971fed1..5454bd3 100644
--- a/tests/test/transaction_deserialize.py
+++ b/tests/test/transaction_deserialize.py
@@ -10,14 +10,11 @@ from pybtc.transaction import *
 from binascii import unhexlify
 from pybtc import address_to_hash  as address2hash160
 
+
 def decode_block_tx(block):
     stream = get_stream(block)
-    tx = dict()
     stream.seek(80)
-    count = var_int_to_int(read_var_int(stream))
-    for i in range(count):
-        tx[i] = Transaction(stream)
-    return tx
+    return {i: Transaction(stream) for i in range(var_int_to_int(read_var_int(stream)))}
 
 
 class TransactionDeserializeTests(unittest.TestCase):