L2SS-627: Update minimal python version

In addition this patch prepares our tox.ini for tox version 4 by better preventing system wide binary access using tox built in variables.

Closes L2SS-627

tangostationcontrol/tangostationcontrol/clients/opcua_client.py

@@ -184,7 +184,9 @@ class OPCUAConnection(AsyncCommClient):
             # NOTE: debug statement tries to get the qualified name, this may not always work. in that case forgo the name and just print the path
             node_name = str(node.get_browse_name())[len("QualifiedName(2:"):]
             logger.debug("connected OPC ua node {} of type {} to attribute with dimensions: {} x {} ".format(str(node_name)[:len(node_name)-1], str(ua_type)[len("VariantType."):], dim_x, dim_y))
-        except:
+        except Exception:
+            "B001 Do not use bare `except:`, it also catches unexpected events"
+            "like memory errors, interrupts, system exit"
             pass
 
         return prot_attr
@@ -214,11 +216,10 @@ class OPCUAConnection(AsyncCommClient):
             node = await self.get_node(method_path[:-1])
             result = await node.call_method(method_path[-1], *args)
         except Exception as e:
-            raise Exception(f"Calling method {method_path} failed") from e
+            raise RuntimeError(f"Calling method {method_path} failed") from e
 
         return result
 
-
     def call_method(self, method_path, *args):
         return asyncio.run_coroutine_threadsafe(self._call_method(method_path, *args), self.event_loop).result()