Track mathics-core changes

.gitignore

@@ -6,3 +6,4 @@
 /pymathics_natlang.egg-info
 /tmp
 __pycache__
+.python-vesion

pymathics/natlang/.gitignore

@@ -0,0 +1 @@
+/.python-version

setup.py

@@ -9,8 +9,8 @@
 from setuptools import find_namespace_packages, setup
 
 # Ensure user has the correct Python version
-if sys.version_info < (3, 7):
-    print("Mathics support Python 3.7 and above; you have %d.%d" % sys.version_info[:2])
+if sys.version_info < (3, 8):
+    print("Mathics support Python 3.8 and above; you have %d.%d" % sys.version_info[:2])
     sys.exit(-1)
 
 
@@ -76,7 +76,6 @@ def read(*rnames):
         "Intended Audience :: Science/Research",
         "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
         "Programming Language :: Python",
-        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",

test/consistency-and-style/test_summary_text.py

@@ -6,11 +6,11 @@
 
 import pytest
 
-from mathics.core.load_builtin import name_is_builtin_symbol
-from mathics.core.builtin import Builtin
-from mathics.doc.common_doc import skip_doc
+from pymathics.graph import __file__ as module_initfile_path
 
-from pymathics.natlang import __file__ as module_initfile_path
+from mathics.core.builtin import Builtin
+from mathics.core.load_builtin import name_is_builtin_symbol
+from mathics.doc.gather import skip_doc
 
 # Get file system path name for mathics.builtin
 module_path = osp.dirname(module_initfile_path)