Make packages versions consistent

Author: maksad

README.md

@@ -47,14 +47,19 @@ You can use our pretrained models in PyTorch to segment input image. The usage i
 ```bash
     cd lib/nn/prroi_pool
     ./travis.sh
-```  
+```
 You may need ```nvcc``` for this step. If it cannot find the path to ```cuda.h```, do
 
 ```bash
     export CPATH=/PATH/TO/YOUR/CUDA/include && ./travis.sh
 ```
 
-2. Now you're good to go! Here is a simple demo to do inference on a single image:
+2. Install required packages
+```bash
+pip install -r requirements.txt
+```
+
+3. Now you're good to go! Here is a simple demo to do inference on a single image:
 
 ```bash
 chmod +x demo_test.sh
@@ -63,7 +68,7 @@ chmod +x demo_test.sh
 
 This script downloads trained models and a test image, runs the test script, and saves predicted segmentation (.png) to the working directory.
 
-3. Input arguments: (see full input arguments via python3 test.py -h)
+4. Input arguments: (see full input arguments via python3 test.py -h)
 ```bash
 usage: test.py [-h] --test_img TEST_IMG --model_path MODEL_PATH
                [--suffix SUFFIX] [--arch_encoder ARCH_ENCODER]

lib/utils/data/dataloader.py

@@ -1,6 +1,6 @@
 import torch
 import torch.multiprocessing as multiprocessing
-from torch._C import _set_worker_signal_handlers, _update_worker_pids, \
+from torch._C import _set_worker_signal_handlers, _set_worker_pids, \
     _remove_worker_pids, _error_if_any_worker_fails
 from .sampler import SequentialSampler, RandomSampler, BatchSampler
 import signal
@@ -235,7 +235,7 @@ def __init__(self, loader):
                 w.daemon = True  # ensure that the worker exits on process exit
                 w.start()
 
-            _update_worker_pids(id(self), tuple(w.pid for w in self.workers))
+            _set_worker_pids(id(self), tuple(w.pid for w in self.workers))
             _set_SIGCHLD_handler()
             self.worker_pids_set = True
 

requirements.txt

@@ -0,0 +1,8 @@
+numpy==1.16.6
+pillow==6.2.2
+opencv-python==4.2.0.32
+scipy==1.1.0
+torch==1.4.0
+torchvision==0.5.0
+tqdm==4.45.0
+colormath==3.0.0