diff --git a/torchy_baselines/common/logger.py b/torchy_baselines/common/logger.py
index 375476c..5b59b76 100644
--- a/torchy_baselines/common/logger.py
+++ b/torchy_baselines/common/logger.py
@@ -282,7 +282,7 @@ def getkvs():
     return Logger.CURRENT.name2val
 
 
-def log(*args, level=INFO):
+def log(*args, **kwargs):
     """
     Write the sequence of args, with no separators,
     to the console and output files (if you've configured an output file).
@@ -293,6 +293,7 @@ def log(*args, level=INFO):
     :param args: (list) log the arguments
     :param level: (int) the logging level (can be DEBUG=10, INFO=20, WARN=30, ERROR=40, DISABLED=50)
     """
+    level = kwargs.get('level', INFO)
     Logger.CURRENT.log(*args, level=level)
 
 
@@ -433,7 +434,7 @@ class Logger(object):
         self.name2val.clear()
         self.name2cnt.clear()
 
-    def log(self, *args, level=INFO):
+    def log(self, *args, **kwargs):
         """
         Write the sequence of args, with no separators,
         to the console and output files (if you've configured an output file).
@@ -444,6 +445,7 @@ class Logger(object):
         :param args: (list) log the arguments
         :param level: (int) the logging level (can be DEBUG=10, INFO=20, WARN=30, ERROR=40, DISABLED=50)
         """
+        level = kwargs.get('level', INFO)
         if self.level <= level:
             self._do_log(args)
 
diff --git a/torchy_baselines/common/vec_env/base_vec_env.py b/torchy_baselines/common/vec_env/base_vec_env.py
index 26fec4b..15a27e1 100644
--- a/torchy_baselines/common/vec_env/base_vec_env.py
+++ b/torchy_baselines/common/vec_env/base_vec_env.py
@@ -112,7 +112,7 @@ class VecEnv(object):
         pass
 
     @abstractmethod
-    def env_method(self, method_name, *method_args, indices=None, **method_kwargs):
+    def env_method(self, method_name, *method_args, **method_kwargs):
         """
         Call instance methods of vectorized environments.
 
@@ -222,8 +222,8 @@ class VecEnvWrapper(VecEnv):
     def set_attr(self, attr_name, value, indices=None):
         return self.venv.set_attr(attr_name, value, indices)
 
-    def env_method(self, method_name, *method_args, indices=None, **method_kwargs):
-        return self.venv.env_method(method_name, *method_args, indices=indices, **method_kwargs)
+    def env_method(self, method_name, *method_args, **method_kwargs):
+        return self.venv.env_method(method_name, *method_args, **method_kwargs)
 
     def __getattr__(self, name):
         """Find attribute from wrapped venv(s) if this wrapper does not have it.
diff --git a/torchy_baselines/common/vec_env/dummy_vec_env.py b/torchy_baselines/common/vec_env/dummy_vec_env.py
index a257b51..7bfe1a5 100644
--- a/torchy_baselines/common/vec_env/dummy_vec_env.py
+++ b/torchy_baselines/common/vec_env/dummy_vec_env.py
@@ -1,4 +1,6 @@
 from collections import OrderedDict
+from copy import deepcopy
+
 import numpy as np
 
 from torchy_baselines.common.vec_env import VecEnv
@@ -44,7 +46,7 @@ class DummyVecEnv(VecEnv):
                 obs = self.envs[env_idx].reset()
             self._save_obs(env_idx, obs)
         return (self._obs_from_buf(), np.copy(self.buf_rews), np.copy(self.buf_dones),
-                self.buf_infos.copy())
+                deepcopy(self.buf_infos))
 
     def reset(self):
         for env_idx in range(self.num_envs):
@@ -97,8 +99,11 @@ class DummyVecEnv(VecEnv):
         for env_i in target_envs:
             setattr(env_i, attr_name, value)
 
-    def env_method(self, method_name, *method_args, indices=None, **method_kwargs):
+    def env_method(self, method_name, *method_args, **method_kwargs):
         """Call instance methods of vectorized environments."""
+        indices = method_kwargs.get('indices')
+        if 'indices' in method_kwargs:
+            del method_kwargs['indices']
         target_envs = self._get_target_envs(indices)
         return [getattr(env_i, method_name)(*method_args, **method_kwargs) for env_i in target_envs]
 
diff --git a/torchy_baselines/common/vec_env/subproc_vec_env.py b/torchy_baselines/common/vec_env/subproc_vec_env.py
index b746dac..9fc57b1 100644
--- a/torchy_baselines/common/vec_env/subproc_vec_env.py
+++ b/torchy_baselines/common/vec_env/subproc_vec_env.py
@@ -153,7 +153,8 @@ class SubprocVecEnv(VecEnv):
         for pipe in self.remotes:
             # gather images from subprocesses
             # `mode` will be taken into account later
-            pipe.send(('render', (args, {'mode': 'rgb_array', **kwargs})))
+            kwargs.update({'mode': 'rgb_array'})
+            pipe.send(('render', (args, kwargs)))
         imgs = [pipe.recv() for pipe in self.remotes]
         # Create a big image by tiling images from subprocesses
         bigimg = tile_images(imgs)
@@ -187,8 +188,11 @@ class SubprocVecEnv(VecEnv):
         for remote in target_remotes:
             remote.recv()
 
-    def env_method(self, method_name, *method_args, indices=None, **method_kwargs):
+    def env_method(self, method_name, *method_args, **method_kwargs):
         """Call instance methods of vectorized environments."""
+        indices = method_kwargs.get('indices')
+        if 'indices' in method_kwargs:
+            del method_kwargs['indices']
         target_remotes = self._get_target_remotes(indices)
         for remote in target_remotes:
             remote.send(('env_method', (method_name, method_args, method_kwargs)))