Merge pull request hyperledger-indy#896 from n3m4nja/patch-1

Update step2.py

Author: jovfer

doc/how-tos/rotate-key/python/step2.py

@@ -19,7 +19,6 @@
 		# but it gives us a key that we can use to sign a ledger transaction that we're going to submit later.
 		print_log('\n5. Generating and storing steward DID and verkey\n')
 
-
 		# The DID and public verkey for this steward key are already in the ledger; they were part of the genesis
 		# transactions we told the SDK to start with in the previous step. But we have to also put the DID, verkey,
 		# and private signing key into our wallet, so we can use the signing key to submit an acceptably signed
@@ -33,7 +32,6 @@
 		steward_did, steward_verkey = await did.create_and_store_my_did(wallet_handle, did_json)
 		print_log('Steward DID: ', steward_did)
 
-
 		# Now, create a new DID and verkey for a trust anchor, and store it in our wallet as well. Don't use a seed;
 		# this DID and its keyas are secure and random. Again, we're not writing to the ledger yet.
 		print_log('\n6. Generating and storing trust anchor DID and verkey\n')
@@ -46,10 +44,11 @@
 		# This call will look up the private key of the steward DID in our wallet, and use it to sign the transaction.
 		print_log('\n7. Building NYM request to add Trust Anchor to the ledger\n')
 		nym_transaction_request = await ledger.build_nym_request(submitter_did=steward_did,
-																 target_did=trust_anchor_did,
-																 ver_key=trust_anchor_verkey,
-																 alias=None,
-																 role='TRUST_ANCHOR')
+									 target_did=trust_anchor_did,
+									 ver_key=trust_anchor_verkey,
+									 alias=None,
+									 role='TRUST_ANCHOR')
+		
 		print_log('NYM request: ')
 		pprint.pprint(json.loads(nym_transaction_request))
 
@@ -59,9 +58,10 @@
 		# network).
 		print_log('\n8. Sending NYM request to the ledger\n')
 		nym_transaction_response = await ledger.sign_and_submit_request(pool_handle=pool_handle,
-																		wallet_handle=wallet_handle,
-																		submitter_did=steward_did,
-																		request_json=nym_transaction_request)
+										wallet_handle=wallet_handle,
+										submitter_did=steward_did,
+										request_json=nym_transaction_request)
+		
 		print_log('NYM response: ')
 		pprint.pprint(json.loads(nym_transaction_response))