Fix condition omission checking ipc in middleware

crypto_dev_signer/eth/web3ext/__init__.py

@@ -1,3 +1,4 @@
+import logging
 import re
 
 from web3 import Web3 as Web3super
@@ -7,6 +8,8 @@ from .middleware import PlatformMiddleware
 re_websocket = re.compile('^wss?://')
 re_http = re.compile('^https?://')
 
+logg = logging.getLogger(__file__)
+
 
 def create_middleware(ipcpath):
     PlatformMiddleware.ipcaddr = ipcpath
@@ -24,6 +27,7 @@ def Web3(blockchain_provider='ws://localhost:8546', ipcpath=None):
     w3 = Web3super(provider)
 
     if ipcpath != None:
+        logg.info('using signer middleware with ipc {}'.format(ipcpath))
         w3.middleware_onion.add(create_middleware(ipcpath))
 
     w3.eth.personal = w3.geth.personal

crypto_dev_signer/eth/web3ext/middleware.py

@@ -29,6 +29,7 @@ class PlatformMiddleware:
     def __init__(self, make_request, w3):
         self.w3 = w3 
         self.make_request = make_request
+        if ipcaddr == None:
             raise AttributeError('ipcaddr not set')