[dev] drop support for Python 3.7 #2231

.github/workflows/main.yml

@@ -14,7 +14,7 @@ jobs:
 
  strategy:
  matrix:
- python-version: [3.7, 3.8, 3.9, "3.10", "3.11"]
+ python-version: [3.8, 3.9, "3.10", "3.11"]
 
  runs-on: ubuntu-latest
  timeout-minutes: 20

setup.py

@@ -13,7 +13,7 @@
  long_description=open("README.md").read(),
  long_description_content_type="text/markdown",
  author="Saul Pwanson",
- python_requires=">=3.7",
+ python_requires=">=3.8",
  author_email="[email protected]",
  url="https://visidata.org",
  download_url="https://github.com/saulpw/visidata/tarball/" + __version__,

visidata/aggregators.py

@@ -105,12 +105,9 @@ def mean(vals):
  if vals:
  return float(sum(vals))/len(vals)
 
-def _vsum(vals):
+def vsum(vals):
  return sum(vals, start=type(vals[0] if len(vals) else 0)()) #1996
 
-# start parameter in sum() added in Python 3.8
-vsum = _vsum if sys.version_info[:2] >= (3, 8) else sum
-
 # http://code.activestate.com/recipes/511478-finding-the-percentile-of-the-values/
 def _percentile(N, percent, key=lambda x:x):
  """