Merge ~mthaddon/charm-k8s-ingress/+git/charm-k8s-ingress:tox-path into charm-k8s-ingress:master

[Tom Haddon]

Clean up tox path and gitignore since build and venv directories are no longer used

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FAILED: Continuous integration, rev:1468886f4b9cd097e9d377bd3fb45e95f6fc31d1

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https://jenkins.canonical.com/is/job/lp-charm-k8s-ingress-ci/56/
Executed test runs:
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    None: https://jenkins.canonical.com/is/job/lp-update-mp/586709/

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review: Needs Fixing (continuous-integration)

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This merge proposal is being monitored by mergebot. Change the status to Approved to merge.

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FAILED: Continuous integration, rev:1468886f4b9cd097e9d377bd3fb45e95f6fc31d1
https://jenkins.canonical.com/is/job/lp-charm-k8s-ingress-ci/57/
Executed test runs:
    FAILURE: https://jenkins.canonical.com/is/job/lp-charm-test/156/
    None: https://jenkins.canonical.com/is/job/lp-update-mp/586722/

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review: Needs Fixing (continuous-integration)

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PASSED: Continuous integration, rev:426f67670723a3592dda1e93186877772ec9bb8e
https://jenkins.canonical.com/is/job/lp-charm-k8s-ingress-ci/58/
Executed test runs:
    SUCCESS: https://jenkins.canonical.com/is/job/lp-charm-test/157/
    None: https://jenkins.canonical.com/is/job/lp-update-mp/586727/

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review: Approve (continuous-integration)

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Change successfully merged at revision 1c402ebb9595f4cebdbacac1abcdc6169d5cd687

diff --git a/.gitignore b/.gitignore
index 58a7dc6..ca38d73 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,5 +4,3 @@
 .tox
 .coverage
 __pycache__
-build
-venv
diff --git a/Makefile b/Makefile
index 5507d2e..350bb87 100644
--- a/Makefile
+++ b/Makefile
@@ -6,9 +6,7 @@ lint: blacken
 	@echo "Running flake8"
 	@tox -e lint
 
-# We actually use the build directory created by charmcraft,
-# but the .charm file makes a much more convenient sentinel.
-unittest: nginx-ingress-integrator_ubuntu-20.04-amd64.charm
+unittest:
 	@tox -e unit
 
 test: lint unittest
@@ -17,7 +15,4 @@ clean:
 	@echo "Cleaning files"
 	@git clean -fXd
 
-nginx-ingress-integrator_ubuntu-20.04-amd64.charm: src/*.py requirements.txt
-	charmcraft build
-
 .PHONY: lint test unittest clean
diff --git a/tox.ini b/tox.ini
index b5626e4..349e8e4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,8 +5,6 @@ skip_missing_interpreters = True
 
 [testenv]
 basepython = python3
-setenv =
-  PYTHONPATH = {toxinidir}/build/lib:{toxinidir}/build/venv
 
 [testenv:unit]
 commands =
@@ -15,7 +13,7 @@ commands =
 deps = -r{toxinidir}/tests/unit/requirements.txt
        -r{toxinidir}/requirements.txt
 setenv =
-  PYTHONPATH={toxinidir}/src:{toxinidir}:lib:{toxinidir}/build/lib:{toxinidir}/build/venv
+  PYTHONPATH={toxinidir}/src:{toxinidir}:lib
   TZ=UTC
 
 [testenv:functional]