[src] Fix python3.8 warning about collection.abs + v0.3.1rc1 and v0.3…

….1rc0

asteroid/__init__.py

@@ -3,7 +3,7 @@
 from .models import ConvTasNet, DPRNNTasNet, DPTNet, LSTMTasNet
 
 project_root = str(pathlib.Path(__file__).expanduser().absolute().parent.parent)
-__version__ = "0.3.0"
+__version__ = "0.3.1rc1"
 
 
 def show_available_models():

asteroid/utils/generic_utils.py

@@ -1,5 +1,5 @@
 import inspect
-import collections
+from collections.abc import MutableMapping
 import numpy as np
 
 
@@ -30,7 +30,7 @@ def flatten_dict(d, parent_key="", sep="_"):
     flatten-nested-dictionaries-compressing-keys?answertab=votes#tab-top
 
     Args:
-        d (collections.MutableMapping): Dictionary to be flattened.
+        d (MutableMapping): Dictionary to be flattened.
         parent_key (str): String to use as a prefix to all subsequent keys.
         sep (str): String to use as a separator between two key levels.
 
@@ -40,7 +40,7 @@ def flatten_dict(d, parent_key="", sep="_"):
     items = []
     for k, v in d.items():
         new_key = parent_key + sep + k if parent_key else k
-        if isinstance(v, collections.MutableMapping):
+        if isinstance(v, MutableMapping):
             items.extend(flatten_dict(v, new_key, sep=sep).items())
         else:
             items.append((new_key, v))

setup.py

@@ -1,6 +1,6 @@
 from setuptools import setup, find_packages
 
-asteroid_version = "0.3.0"
+asteroid_version = "0.3.1rc1"
 
 with open("README.md", encoding="utf-8") as fh:
     long_description = fh.read()