Stop requiring ankirspy while running on development because

maturin develop hides the package from pip
https://github.com/PyO3/maturin/issues 304

pylib/Makefile

@@ -32,7 +32,7 @@ PHONY: all
 all: check
 
 .build/run-deps: setup.py
-	python -m pip install -e .
+	SKIP_ANKI_RSPY=true python -m pip install -e .
 	@touch $@
 
 .build/dev-deps: requirements.dev
@@ -117,7 +117,7 @@ anki/buildinfo.py: ../meta/version ../meta/buildhash
 
 VER := $(shell cat ../meta/version)
 .build/vernum: ../meta/version
-	sed -i.bak 's/.*automatically updated 1.*/    "ankirspy==$(VER)",  # automatically updated 1/' setup.py
+	sed -i.bak 's/.*automatically updated 1.*/    install_requires.append("ankirspy==$(VER)")  # automatically updated 1/' setup.py
 	sed -i.bak 's/.*automatically updated 2.*/    version="$(VER)",  # automatically updated 2/' setup.py
 	rm setup.py.bak
 	@touch $@

pylib/setup.py

@@ -1,5 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+import os
+
 import setuptools
 
 install_requires = [
@@ -7,12 +9,14 @@ install_requires = [
     "requests",
     "decorator",
     "protobuf",
-    "ankirspy==2.1.25",  # automatically updated 1
     'orjson; platform_machine == "x86_64"',
     'psutil; sys_platform == "win32"',
     'distro; sys_platform != "darwin" and sys_platform != "win32"',
 ]
 
+# maturin develop hides the package from pip - https://github.com/ankitects/anki/pull/600
+if not os.environ.get("SKIP_ANKI_RSPY", False):
+    install_requires.append("ankirspy==2.1.25")  # automatically updated 1
 
 setuptools.setup(
     name="anki",