dev-python/opentracing_instrumentation: fix S and patch

Closes: https://bugs.gentoo.org/819015
Package-Manager: Portage-3.0.28, Repoman-3.0.3
Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>

dev-python/opentracing_instrumentation/files/opentracing_instrumentation-3.3.1-no-coverage.patch

@@ -1,11 +1,8 @@
 --- a/setup.cfg
 +++ b/setup.cfg
-@@ -14,7 +14,7 @@
- 	tests/*
+@@ -15,4 +15,4 @@
+     tests/*
  
  [tool:pytest]
 -addopts = --cov=opentracing_instrumentation --cov-append -rs
 +addopts = -rs
- 
- [egg_info]
- tag_build = 

dev-python/opentracing_instrumentation/opentracing_instrumentation-3.3.1.ebuild

@@ -3,6 +3,7 @@
 
 EAPI=8
 
+MYPN="${PN/_/-python-}"
 PYTHON_COMPAT=( python3_8 )
 
 inherit distutils-r1
@@ -11,7 +12,8 @@ DESCRIPTION="A collection of Python instrumentation tools for the OpenTracing AP
 HOMEPAGE="
 	https://github.com/uber-common/opentracing-python-instrumentation
 "
-SRC_URI="https://github.com/uber-common/opentracing-python-instrumentation/archive/refs/tags/${PV}.tar.gz -> ${P}.tar.gz"
+SRC_URI="https://github.com/uber-common/${MYPN}/archive/refs/tags/${PV}.tar.gz -> ${P}.tar.gz"
+S="${WORKDIR}/${MYPN}-${PV}"
 
 SLOT="0"
 LICENSE="MIT"