keep_dims is deprecated, use keepdims instead

I downloaded:

!git clone https://www.github.com/matterport/Mask_RCNN.git
os.chdir('Mask_RCNN')

And I've got an error: which version I should have of Keras?

WARNING:tensorflow:From /usr/local/lib/python3.5/dist-packages/keras/backend/tensorflow_backend.py:1154: calling reduce_max (from tensorflow.python.ops.math_ops) with keep_dims is deprecated and will be removed in a future version.
Instructions for updating:
keep_dims is deprecated, use keepdims instead
WARNING:tensorflow:From /usr/local/lib/python3.5/dist-packages/keras/backend/tensorflow_backend.py:1188: calling reduce_sum (from tensorflow.python.ops.math_ops) with keep_dims is deprecated and will be removed in a future version.
Instructions for updating:
keep_dims is deprecated, use keepdims instead
WARNING:tensorflow:From /usr/local/lib/python3.5/dist-packages/keras/backend/tensorflow_backend.py:1290: calling reduce_mean (from tensorflow.python.ops.math_ops) with keep_dims is deprecated and will be removed in a future version.
Instructions for updating:
keep_dims is deprecated, use keepdims instead

Futhermore:

totalMemory: 5.94GiB freeMemory: 5.44GiB
2019-04-03 22:37:38.374934: I tensorflow/core/common_runtime/gpu/gpu_device.cc:1484] Adding visible gpu devices: 0, 1
2019-04-03 22:37:40.343417: I tensorflow/core/common_runtime/gpu/gpu_device.cc:965] Device interconnect StreamExecutor with strength 1 edge matrix:
2019-04-03 22:37:40.344366: I tensorflow/core/common_runtime/gpu/gpu_device.cc:971]      0 1 
2019-04-03 22:37:40.344373: I tensorflow/core/common_runtime/gpu/gpu_device.cc:984] 0:   N N 
2019-04-03 22:37:40.344377: I tensorflow/core/common_runtime/gpu/gpu_device.cc:984] 1:   N N 
2019-04-03 22:37:40.345556: I tensorflow/core/common_runtime/gpu/gpu_device.cc:1097] Created TensorFlow device (/job:localhost/replica:0/task:0/device:GPU:0 with 11435 MB memory) - physical GPU (device: 0, name: GeForce GTX TITAN X, pci bus id: 0000:02:00.0, compute capability: 5.2)
2019-04-03 22:37:40.450785: I tensorflow/core/common_runtime/gpu/gpu_device.cc:1097] Created TensorFlow device (/job:localhost/replica:0/task:0/device:GPU:1 with 5220 MB memory) - physical GPU (device: 1, name: GeForce GTX TITAN Black, pci bus id: 0000:01:00.0, compute capability: 3.5)
2019-04-03 22:37:42.518519: W tensorflow/core/framework/allocator.cc:108] Allocation of 51380224 exceeds 10% of system memory.
2019-04-03 22:37:42.601229: W tensorflow/core/framework/allocator.cc:108] Allocation of 51380224 exceeds 10% of system memory.
2019-04-03 22:37:51.648032: W tensorflow/core/framework/allocator.cc:108] Allocation of 51380224 exceeds 10% of system memory.
2019-04-03 22:37:51.678817: W tensorflow/core/framework/allocator.cc:108] Allocation of 51380224 exceeds 10% of system memory.
2019-04-03 22:37:51.706928: W tensorflow/core/framework/allocator.cc:108] Allocation of 51380224 exceeds 10% of system memory.
[I 22:37:55.611 NotebookApp] Starting buffering for fa2cd5ca-20f3-4472-b6ca-6821e2f56118:02508f46d629494ab46babe6d7611656