From 22753403cdbfbb44695417945209deea9b80d57e Mon Sep 17 00:00:00 2001
From: Andreas Motl <andreas@hiveeyes.org>
Date: Sun, 9 Apr 2023 23:33:47 +0200
Subject: [PATCH] CI/Tests: Debug/fix installation on Python 3.6 to 3.9

---
 CHANGES.rst       | 1 +
 Makefile          | 8 ++++----
 setup.py          | 2 +-
 tests/__init__.py | 0
 4 files changed, 6 insertions(+), 5 deletions(-)
 create mode 100644 tests/__init__.py

diff --git a/CHANGES.rst b/CHANGES.rst
index abfebc0..dfaa94e 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -10,6 +10,7 @@ development
 - Tests: Add software tests
 - Improve documentation
 - CI: Add GHA configuration to invoke software tests
+- CI/Tests: Fix installation on Python 3.6 to 3.9
 
 2020-12-29 0.11.0
 =================
diff --git a/Makefile b/Makefile
index 10d1db6..c58c300 100644
--- a/Makefile
+++ b/Makefile
@@ -52,16 +52,16 @@ pypi-upload: install-releasetools
 
 install-package:
 	@test -e $(python) || python3 -m venv $(venv)
-	@$(pip) install --quiet --use-pep517 --prefer-binary --editable=.[test,develop,release,sql]
+	$(pip) install --prefer-binary --editable=.[test,develop,release,sql]
 
 install-doctools:
 	@test -e $(python) || python3 -m venv $(venv)
-	@$(pip) install --quiet --requirement requirements-docs.txt --upgrade
+	$(pip) install --requirement requirements-docs.txt --upgrade
 
 install-releasetools:
 	@test -e $(python) || python3 -m venv $(venv)
-	@$(pip) install --quiet --requirement requirements-release.txt --upgrade
+	$(pip) install --requirement requirements-release.txt --upgrade
 
 install-tests:
 	@test -e $(python) || python3 -m venv $(venv)
-	@$(pip) install --quiet --requirement requirements-tests.txt --upgrade
+	$(pip) install --requirement requirements-tests.txt --upgrade
diff --git a/setup.py b/setup.py
index 62fb1e7..d7d91d7 100644
--- a/setup.py
+++ b/setup.py
@@ -81,7 +81,7 @@
     install_requires=requires,
     tests_require=test_requires,
     extras_require={
-        'sql': ['duckdb<0.7']
+        'sql': ['duckdb>=0.3,<0.7']
     },
     dependency_links=[
     ],
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e69de29