add numpy version check

Link: https://code.alibaba-inc.com/pai-vision/EasyCV/codereview/10254577

easycv/core/evaluation/__init__.py

@@ -1,4 +1,7 @@
 # Copyright (c) Alibaba, Inc. and its affiliates.
+# isort:skip_file
+from easycv.utils.import_utils import check_numpy
+check_numpy()
 from .auc_eval import AucEvaluator
 from .base_evaluator import Evaluator
 from .classification_eval import ClsEvaluator

easycv/datasets/__init__.py

@@ -1,4 +1,7 @@
 # Copyright (c) Alibaba, Inc. and its affiliates.
+# isort:skip_file
+from easycv.utils.import_utils import check_numpy
+check_numpy()
 from . import (classification, detection, face, pose, segmentation, selfsup,
                shared)
 from .builder import build_dali_dataset, build_dataset

easycv/utils/import_utils.py

@@ -0,0 +1,17 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+import sys
+from distutils.version import LooseVersion
+
+import numpy as np
+
+
+def check_numpy():
+
+    def require(version):
+        if LooseVersion(np.__version__) < LooseVersion(version):
+            raise ImportError('numpy version should be greater than version')
+
+    if sys.version_info.minor == 6:
+        require('1.19.5')
+    else:
+        require('1.20.0')

easycv/version.py

@@ -2,5 +2,5 @@
 # GENERATED VERSION FILE
 # TIME: Thu Nov  5 14:17:50 2020
 
-__version__ = '0.6.3.4'
-short_version = '0.6.3.4'
+__version__ = '0.6.3.5'
+short_version = '0.6.3.5'