fix pyproject classifiers

Author: Jaquier Aurélien Tristan

pyproject.toml

@@ -24,10 +24,9 @@ dependencies = [
     "NEURON>=7.8",
 ]
 classifiers = [
-   "Development Status :: 5 - Production/Stable",
+    "Development Status :: 5 - Production/Stable",
     "Environment :: Console",
-    "License :: OSI Approved :: GNU Lesser General Public ",
-    "License v3 (LGPLv3)",
+    "License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)",
     "Programming Language :: Python :: 3 :: Only",
     "Operating System :: POSIX",
     "Topic :: Scientific/Engineering",