Set less strict numpy requirements (#6039)

model-optimizer/requirements.txt

@@ -2,7 +2,7 @@ tensorflow~=2.4.1
 mxnet~=1.2.0; sys_platform == 'win32'
 mxnet~=1.7.0.post2; sys_platform != 'win32'
 networkx~=2.5
-numpy~=1.19.5
+numpy>=1.16.6,<1.20
 protobuf>=3.15.6
 onnx>=1.8.1
 defusedxml>=0.7.1

model-optimizer/requirements_caffe.txt

@@ -1,5 +1,5 @@
 networkx~=2.5
-numpy~=1.19.5
+numpy>=1.16.6,<1.20
 protobuf>=3.15.6
 defusedxml>=0.7.1
 requests>=2.25.1

model-optimizer/requirements_kaldi.txt

@@ -1,4 +1,4 @@
 networkx~=2.5
-numpy~=1.19.5
+numpy>=1.16.6,<1.20
 defusedxml>=0.7.1
 requests>=2.25.1

model-optimizer/requirements_mxnet.txt

@@ -1,7 +1,7 @@
 mxnet~=1.2.0; sys_platform == 'win32'
 mxnet~=1.7.0.post2; sys_platform != 'win32'
 networkx~=2.5
-numpy~=1.19.5
+numpy>=1.16.6,<1.20
 defusedxml>=0.7.1
 urllib3>=1.26.4
 requests>=2.25.1

model-optimizer/requirements_onnx.txt

@@ -1,5 +1,5 @@
 onnx>=1.8.1
 networkx~=2.5
-numpy~=1.19.5
+numpy>=1.16.6,<1.20
 defusedxml>=0.7.1
 requests>=2.25.1

model-optimizer/requirements_tf.txt

@@ -1,6 +1,6 @@
 # TensorFlow 1.x and 2.x are incompatible, use separate virtual environments for each version
 tensorflow~=1.15.5
 networkx~=2.5
-numpy~=1.18.5
+numpy>=1.16.6,<1.19
 defusedxml>=0.7.1
 requests>=2.25.1

model-optimizer/requirements_tf2.txt

@@ -1,5 +1,5 @@
 tensorflow~=2.4.1
 networkx~=2.5
-numpy~=1.19.5
+numpy>=1.16.6,<1.20
 defusedxml>=0.7.1
 requests>=2.25.1