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'

requirements.txt

@@ -4,5 +4,4 @@ numpy>=1.16.4
 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 buildins in setup.py