Handle missing filters from arg

eth_monitor/settings.py

@@ -317,6 +317,7 @@ def process_out_filter(settings, config):
 
 def process_arg_filter(settings, config):
     store = settings.get('SYNC_STORE')
+    if config.get('ETHMONITOR_FILTER') != None:
         for k in config.get('ETHMONITOR_FILTER'):
             m = importlib.import_module(k)
             fltr = m.Filter()

requirements.txt

@@ -1,6 +1,6 @@
-chainlib-eth~=0.3.0
-chainlib~=0.3.0
-chainsyncer~=0.5.0
+chainlib-eth~=0.4.1
+chainlib~=0.4.0
+chainsyncer~=0.6.0
 leveldir~=0.3.0
-eth-cache~=0.1.6
+eth-cache~=0.2.0
 confini~=0.6.3

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = eth-monitor
-version = 0.5.1
+version = 0.6.0
 description = Monitor and cache transactions using match filters
 author = Louis Holbrook
 author_email = dev@holbrook.no