default logger is now tensorboard (#609)

* refactor

* refactor

* refactor

* made tensorboard the default not test-tube

pytorch_lightning/trainer/callback_config.py

@@ -2,7 +2,7 @@ import os
 from abc import ABC
 
 from pytorch_lightning.callbacks import ModelCheckpoint, EarlyStopping
-from pytorch_lightning.logging import TestTubeLogger
+from pytorch_lightning.logging import TensorboardLogger
 
 
 class TrainerCallbackConfigMixin(ABC):
@@ -69,7 +69,7 @@ class TrainerCallbackConfigMixin(ABC):
         # configure logger
         if logger is True:
             # default logger
-            self.logger = TestTubeLogger(
+            self.logger = TensorboardLogger(
                 save_dir=self.default_save_path,
                 version=self.slurm_job_id,
                 name='lightning_logs'

pytorch_lightning/trainer/trainer.py

@@ -139,41 +139,53 @@ class Trainer(TrainerIOMixin,
 
         """
         # Transfer params
-        if nb_gpu_nodes is not None:  # Backward compatibility
+        # Backward compatibility
+        if nb_gpu_nodes is not None:
             warnings.warn("`nb_gpu_nodes` has renamed to `num_nodes` since v0.5.0"
                           " and will be removed in v0.8.0", DeprecationWarning)
             if not num_nodes:  # in case you did not set the proper value
                 num_nodes = nb_gpu_nodes
         self.num_gpu_nodes = num_nodes
+
         self.log_gpu_memory = log_gpu_memory
-        if gradient_clip is not None:  # Backward compatibility
+
+        # Backward compatibility
+        if gradient_clip is not None:
             warnings.warn("`gradient_clip` has renamed to `gradient_clip_val` since v0.5.0"
                           " and will be removed in v0.8.0", DeprecationWarning)
             if not gradient_clip_val:  # in case you did not set the proper value
                 gradient_clip_val = gradient_clip
         self.gradient_clip_val = gradient_clip_val
+
         self.check_val_every_n_epoch = check_val_every_n_epoch
         self.track_grad_norm = track_grad_norm
         self.on_gpu = True if (gpus and torch.cuda.is_available()) else False
         self.process_position = process_position
         self.weights_summary = weights_summary
-        if max_nb_epochs is not None:  # Backward compatibility
+
+        # Backward compatibility
+        if max_nb_epochs is not None:
             warnings.warn("`max_nb_epochs` has renamed to `max_epochs` since v0.5.0"
                           " and will be removed in v0.8.0", DeprecationWarning)
             if not max_epochs:  # in case you did not set the proper value
                 max_epochs = max_nb_epochs
         self.max_epochs = max_epochs
-        if min_nb_epochs is not None:  # Backward compatibility
+
+        # Backward compatibility
+        if min_nb_epochs is not None:
             warnings.warn("`min_nb_epochs` has renamed to `min_epochs` since v0.5.0"
                           " and will be removed in v0.8.0", DeprecationWarning)
             if not min_epochs:  # in case you did not set the proper value
                 min_epochs = min_nb_epochs
         self.min_epochs = min_epochs
-        if nb_sanity_val_steps is not None:  # Backward compatibility
+
+        # Backward compatibility
+        if nb_sanity_val_steps is not None:
             warnings.warn("`nb_sanity_val_steps` has renamed to `num_sanity_val_steps` since v0.5.0"
                           " and will be removed in v0.8.0", DeprecationWarning)
             if not num_sanity_val_steps:  # in case you did not set the proper value
                 num_sanity_val_steps = nb_sanity_val_steps
+
         self.num_sanity_val_steps = num_sanity_val_steps
         self.print_nan_grads = print_nan_grads
         self.truncated_bptt_steps = truncated_bptt_steps
@@ -262,8 +274,9 @@ class Trainer(TrainerIOMixin,
         # logging
         self.log_save_interval = log_save_interval
         self.val_check_interval = val_check_interval
+
+        # backward compatibility
         if add_row_log_interval is not None:
-            # backward compatibility
             warnings.warn("`add_row_log_interval` has renamed to `row_log_interval` since v0.5.0"
                           " and will be removed in v0.8.0", DeprecationWarning)
             if not row_log_interval:  # in case you did not set the proper value

requirements.txt

@@ -5,4 +5,4 @@ torch>=1.1
 torchvision>=0.4.0
 pandas>=0.24  # lower version do not support py3.7
 test-tube>=0.7.5
-future>=0.17.1  # required for builtins in setup.py
+future>=0.17.1  # required for builtins in setup.py