New numpy(1.21.0) raised many typehint issues

[Nic-Ma]

Describe the bug

mypy 0.902
monai/handlers/utils.py:225:32: error: Cannot call function of unknown type  [operator]
monai/handlers/utils.py:227:32: error: Cannot call function of unknown type  [operator]
monai/data/utils.py:611:29: error: Argument 1 to "eye" has incompatible type "ndarray[Any, dtype[signedinteger[Any]]]"; expected "int"  [arg-type]
monai/transforms/utils.py:229:70: error: Argument 3 to "copypaste_arrays" has incompatible type "ndarray[Any, dtype[signedinteger[Any]]]"; expected "Sequence[int]"  [arg-type]
monai/transforms/utils.py:229:86: error: Argument 4 to "copypaste_arrays" has incompatible type "ndarray[Any, dtype[signedinteger[Any]]]"; expected "Sequence[int]"  [arg-type]
monai/transforms/utils.py:321:41: error: Incompatible default for argument "rand_state" (default has type Module, argument has type "RandomState")  [assignment]
monai/transforms/utils.py:605:58: error: Incompatible default for argument "rand_state" (default has type Module, argument has type "RandomState")  [assignment]
monai/transforms/intensity/array.py:82:23: error: Incompatible types in assignment (expression has type "ndarray[Any, dtype[floating[_64Bit]]]", variable has type "None")  [assignment]
monai/transforms/intensity/array.py:142:24: error: Incompatible types in assignment (expression has type "ndarray[Any, dtype[floating[_64Bit]]]", variable has type "None")  [assignment]
monai/transforms/intensity/array.py:143:24: error: Incompatible types in assignment (expression has type "ndarray[Any, dtype[floating[_64Bit]]]", variable has type "None")  [assignment]
monai/transforms/intensity/array.py:479:97: error: Argument "coeff" to "_generate_random_field" of "RandBiasField" has incompatible type "ndarray[Any, dtype[floating[_64Bit]]]"; expected "Tuple[int, ...]"  [arg-type]
monai/transforms/intensity/array.py:677:28: error: Incompatible types in assignment (expression has type "float", variable has type "None")  [assignment]
monai/transforms/spatial/array.py:467:46: error: Argument 2 to "create_translate" has incompatible type "ndarray[Any, dtype[floating[Any]]]"; expected "Union[Sequence[float], float]"  [arg-type]
monai/transforms/spatial/array.py:476:48: error: Argument 2 to "create_translate" has incompatible type "ndarray[Any, dtype[floating[Any]]]"; expected "Union[Sequence[float], float]"  [arg-type]
monai/transforms/spatial/array.py:1000:22: error: Incompatible types in assignment (expression has type "Union[ndarray[Any, Any], Tensor]", variable has type "ndarray[Any, Any]")  [assignment]
monai/transforms/spatial/array.py:1003:22: error: Incompatible types in assignment (expression has type "Tensor", variable has type "ndarray[Any, Any]")  [assignment]
monai/transforms/spatial/array.py:1007:22: error: "ndarray[Any, Any]" has no attribute "to"  [attr-defined]
monai/transforms/spatial/array.py:1009:17: error: "ndarray[Any, Any]" has no attribute "float"; maybe "flat"?  [attr-defined]
monai/transforms/spatial/array.py:1145:30: error: Incompatible types in assignment (expression has type "ndarray[Any, dtype[floating[_64Bit]]]", variable has type "float")  [assignment]
monai/transforms/spatial/array.py:1711:32: error: Incompatible types in assignment (expression has type "ndarray[Any, dtype[floating[_64Bit]]]", variable has type "None")  [assignment]
monai/transforms/spatial/dictionary.py:1524:43: error: Argument "zoom" to "Zoom" has incompatible type "ndarray[Any, dtype[floating[Any]]]"; expected "Union[Sequence[float], float]"  [arg-type]
monai/transforms/spatial/dictionary.py:1652:47: error: Argument "zoom" to "Zoom" has incompatible type "ndarray[Any, dtype[floating[Any]]]"; expected "Union[Sequence[float], float]"  [arg-type]
monai/data/synthetic.py:54:13: error: "object" has no attribute "randint"  [attr-defined]
monai/data/synthetic.py:55:13: error: "object" has no attribute "randint"  [attr-defined]
monai/data/synthetic.py:56:15: error: "object" has no attribute "randint"  [attr-defined]
monai/data/synthetic.py:61:37: error: "object" has no attribute "random"  [attr-defined]
monai/data/synthetic.py:63:29: error: "object" has no attribute "random"  [attr-defined]
monai/data/synthetic.py:67:12: error: "object" has no attribute "uniform"  [attr-defined]
monai/data/synthetic.py:117:13: error: "object" has no attribute "randint"  [attr-defined]
monai/data/synthetic.py:118:13: error: "object" has no attribute "randint"  [attr-defined]
monai/data/synthetic.py:119:13: error: "object" has no attribute "randint"  [attr-defined]
monai/data/synthetic.py:120:15: error: "object" has no attribute "randint"  [attr-defined]
monai/data/synthetic.py:125:37: error: "object" has no attribute "random"  [attr-defined]
monai/data/synthetic.py:127:29: error: "object" has no attribute "random"  [attr-defined]
monai/data/synthetic.py:131:12: error: "object" has no attribute "uniform"  [attr-defined]
tests/utils.py:163:12: error: "object" has no attribute "choice"  [attr-defined]
tests/utils.py:164:17: error: "object" has no attribute "choice"  [attr-defined]
Found 37 errors in 8 files (checked 599 source files)

[Nic-Ma]

I am working on a PR to fix them ASAP.

Thanks.