fix issue ebroecker#547

DeprecationWarning: The usage of `cmp` is deprecated and will be removed
on or after 2021-06-01.  Please use `eq` and `order` instead.
    @attr.s(cmp=False)

Signed-off-by: An Nguyen <[email protected]>

Author: annguyen0

appveyor.yml

@@ -11,6 +11,7 @@ environment:
     - TOXENV: py36
     - TOXENV: py37
     - TOXENV: py38
+    - TOXENV: py39
     - TOXENV: pypy3
 
 matrix:

requirements.txt

@@ -1,4 +1,4 @@
-attrs>=18.1.0
+attrs>=19.2.0
 click
 enum34; python_version < '3.4'
 future

setup.py

@@ -55,6 +55,8 @@
 Programming Language :: Python :: 3.5
 Programming Language :: Python :: 3.6
 Programming Language :: Python :: 3.7
+Programming Language :: Python :: 3.8
+Programming Language :: Python :: 3.9
 """
 
 from setuptools import find_packages, setup
@@ -77,7 +79,7 @@
     license = "BSD",
     platforms = ["any"],
     install_requires = [
-        "attrs>=18.1.0",
+        "attrs>=19.2.0",
         "click",
         "enum34; python_version < '3.4'",
         "future",

src/canmatrix/canmatrix.py

@@ -121,7 +121,7 @@ def normalize_value_table(table):  # type: (typing.Mapping) -> typing.MutableMap
     return {int(k): v for k, v in table.items()}
 
 
-@attr.s(cmp=False)
+@attr.s(eq=False)
 class Signal(object):
     """
     Represents a Signal in CAN Matrix.
@@ -449,7 +449,7 @@ def __str__(self):  # type: () -> str
         return self.name
 
 
-@attr.s(cmp=False)
+@attr.s(eq=False)
 class SignalGroup(object):
     """
     Represents signal-group, containing multiple Signals.
@@ -746,7 +746,7 @@ def __eq__(self, other):
             )
         )
 
-@attr.s(cmp=False)
+@attr.s(eq=False)
 class Pdu(object):
     """
     Represents a PDU.
@@ -814,7 +814,7 @@ def signal_by_name(self, name):
         return None
 
 
-@attr.s(cmp=False)
+@attr.s(eq=False)
 class Frame(object):
     """
     Represents CAN Frame.
@@ -1519,7 +1519,7 @@ class matrix_class(enum.Enum):
     FLEXRAY = 2
     SOMEIP = 3
 
-@attr.s(cmp=False)
+@attr.s(eq=False)
 class CanMatrix(object):
     """
     The Can-Matrix-Object