From 5ea09aebf22923f1ea382c7d07b1a58f02f01010 Mon Sep 17 00:00:00 2001
From: Bertrand Benjamin <benjamin.bertrand@opytex.org>
Date: Fri, 28 Jun 2019 09:34:06 +0200
Subject: [PATCH] Feat: Defaut render is tex when Expression is imported from
 mapytex

---
 mapytex/__init__.py                | 3 +++
 mapytex/calculus/API/expression.py | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/mapytex/__init__.py b/mapytex/__init__.py
index 0a539c8..c69411a 100644
--- a/mapytex/__init__.py
+++ b/mapytex/__init__.py
@@ -2,6 +2,9 @@
 # encoding: utf-8
 
 from .calculus import Expression#, Polynom, Fraction, random_str, txt, Equation
+
+Expression.RENDER = 'tex'
+
 #from .stat import Dataset, WeightedDataset
 #from .geometry import random_pythagore
 
diff --git a/mapytex/calculus/API/expression.py b/mapytex/calculus/API/expression.py
index 70d79e2..5b42b47 100644
--- a/mapytex/calculus/API/expression.py
+++ b/mapytex/calculus/API/expression.py
@@ -153,7 +153,7 @@ class Expression(object):
         return renders[self.RENDER](self._tree)
 
     def __repr__(self):
-        return f"<Exp: {renders[self.RENDER](self._tree)}>"
+        return f"<Exp: {renders['txt'](self._tree)}>"
 
     def _order(self, exclude_nodes=["*", "/", "**"]):
         """ Order the expression base on types