CI: Pin numpy

Also run pyupgrade for 39

Author: bashtage

pandas_datareader/yahoo/options.py

@@ -479,7 +479,7 @@ def _try_parse_dates(self, year, month, expiry):
                 if expiry.year == year and expiry.month == month
             ]
             if len(expiry) == 0:
-                raise ValueError("No expiries available in {}-{}".format(year, month))
+                raise ValueError(f"No expiries available in {year}-{month}")
 
         return expiry
 

pyproject.toml

@@ -5,7 +5,7 @@ build-backend = "setuptools.build_meta"
 [project]
 name = "pandas-datareader"
 dynamic = ["version", "dependencies", "readme"]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 license = {file = "LICENSE.md"}
 description = "Pandas-compatible data readers. Formerly a component of pandas."
 authors = [
@@ -20,11 +20,11 @@ classifiers =[
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Topic :: Scientific/Engineering"
 ]