reanme library into core

app.py

@@ -16,8 +16,8 @@ if __name__ == "__main__":
     markdown_description += r'More info on [Interactive Pipe Website](https://balthazarneveu.github.io/interactive_pipe/)'+ '\n'
     markdown_description += "# Source code for this tutorial \n"
     markdown_description += "## Processing blocks & pipeline (~ production code, no interactivity) \n"
-    markdown_description += "`library.py`\n"
-    markdown_description += "```python\n"+open("library.py", 'r').read()+"```\n"
+    markdown_description += "`core.py`\n"
+    markdown_description += "```python\n"+open("core.py", 'r').read()+"```\n"
     markdown_description += "## Add interactivity\n"
     markdown_description += "`app.py`\n"
     markdown_description += "```python\n"+open("interactivity.py", 'r').read()+"```\n"

interactivity.py

@@ -1,6 +1,6 @@
 from interactive_pipe import interactive_pipeline, interactive
-from library import (gen_color, modify_geometry, change_color,
-                     compare_by_splitting, tutorial_pipeline)
+from core import (gen_color, modify_geometry, change_color,
+                  compare_by_splitting, tutorial_pipeline)
 import argparse
 # --------------------------------------------------------------