diff --git a/bin/libbfa/__init__.py b/bin/libbfa/__init__.py
index 61f8f9668291373f927f2c9de1f4fbfcda5b7cea..a57c900abb1b1d2f1f6d1ce945a8f914c6e1f35f 100755
--- a/bin/libbfa/__init__.py
+++ b/bin/libbfa/__init__.py
@@ -181,20 +181,20 @@ class Account:
         signed = web3.Web3().eth.account.sign_transaction(tx, self.key)
         return signed
 
-    # if kwargs has extragas=50000 then we add that number to the amount
-    # of gas for the transaction
     def calculate_tx_details(self, w3: web3.Web3, *args, **kwargs) -> dict:
-        # Nonce may have increase on the network without us noticing
+        # if kwargs has extragas=50000 then we add that number to the amount
+        # of gas for the transaction
+        afunction = kwargs.get('function')
+        # Nonce may have increased on the network without us noticing
         # or past transactions may not yet have been mined (and a flooded
         # txpool).
         # This is a resonable fix (try not to send too many transactions)
         # If you use waitForTransactionReceipt() between each transaction
         # you will not have problems because of this.
-        afunction = kwargs.get('function')
         self.nonce = max(self.nonce, w3.eth.getTransactionCount(self.address))
         # Set minimum gasPrice to 1 Gwei, but allow more if the network says so.
         details = {
-            'chainId': w3.eth.chain_id(),
+            'chainId': w3.eth.chain_id,
             'gasPrice': min(w3.toWei('1', 'gwei'), w3.eth.gasPrice),
             'nonce': self.nonce,
             'from': self.address,
diff --git a/bin/libbfa/requirements.txt b/bin/libbfa/requirements.txt
index 08b1a03bf0a6d5cefc84a40351ed873cffa9e184..4a9410712db408ee9f1b73e52d3bf6e81f3eefcc 100644
--- a/bin/libbfa/requirements.txt
+++ b/bin/libbfa/requirements.txt
@@ -2,3 +2,4 @@ web3
 rusty-rlp
 ecdsa
 Crypto
+dnspython