pin Pygments to v2.19.2 (#111)

since v2.20.0 breaks some tests.  The tests are probably fragile, but
this is an immediate fix.

Author: rolandwalker

CHANGELOG

@@ -1,21 +1,28 @@
 # Changelog
 
+## Version 2.13.0
+
+(released on 2026-04-13)
+
+- Pin Pygments library to older version v2.19.2 to fix tests.
+- Fix dates in changelog.
+
 ## Version 2.12.0
 
-(released on 2025-03-21)
+(released on 2026-03-21)
 
 - Probe tabulate version for `preserve_whitespace` keyword support.
 
 ## Version 2.11.0
 
-(released on 2025-03-05)
+(released on 2026-03-05)
 
 - Support and require version 0.10.x of `tabulate`.
 - Pin `tabulate` version more tightly.
 
 ## Version 2.10.1
 
-(released on 2025-02-18)
+(released on 2026-02-18)
 
 - Update license dates.
 - Change `master` branch references to `main`.

requirements-dev.txt

@@ -2,7 +2,7 @@ autopep8==1.3.3
 codecov==2.1.13
 coverage==4.3.4
 black>=20.8b1
-Pygments>=2.4.0
+Pygments~=2.19.2
 pytest==7.4.3
 pytest-cov==2.4.0
 Sphinx==1.5.5

setup.py

@@ -40,7 +40,7 @@ def open_file(filename):
         "tabulate[widechars] ~= 0.10.0",
     ],
     extras_require={
-        "styles": ["Pygments >= 1.6"],
+        "styles": ["Pygments ~= 2.19.2"],
     },
     python_requires=">=3.6",
     classifiers=[