Update utils

utils/config.py

@@ -59,3 +59,7 @@ class Config:
         self.test_interval = 0
         self.test_repetitions = 10
         self.evaluation_env = None
+
+    def merge(self, config_dict):
+        for key in config_dict.keys():
+            setattr(self, key, config_dict[key])

utils/schedule.py

@@ -12,7 +12,10 @@ class ConstantSchedule:
         return self.val
 
 class LinearSchedule:
-    def __init__(self, start, end, steps):
+    def __init__(self, start, end=None, steps=None):
+        if end is None:
+            end = start
+            steps = 1
         self.inc = (end - start) / float(steps)
         self.current = start
         self.end = end