require Pygments, not pygments

Fixes #75

Author: rocky

pyproject.toml

@@ -16,7 +16,7 @@ dependencies = [
     "columnize >= 0.3.10",
     "pyficache > 2.3.5",
     "xdis >= 6.1.1,<6.2.0",
-    "pygments >= 2.2.0",
+    "Pygments >= 2.2.0",
     "spark_parser >= 1.8.9, <1.9.2",
     "tracer > 1.9.0",
     "term-background >= 1.0.2",