From 848501bf469e9a2d7929de135e1c68fb9da73465 Mon Sep 17 00:00:00 2001
From: Constantin Mateescu <costica1234@me.com>
Date: Thu, 11 Feb 2021 17:51:18 +0200
Subject: [PATCH] Fixed ratio constraints.

---
 cython/README.md                  | 4 ++--
 cython/python_solvespace/slvs.pyx | 3 +--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/cython/README.md b/cython/README.md
index d34b7596..e511a5bb 100644
--- a/cython/README.md
+++ b/cython/README.md
@@ -24,10 +24,10 @@ Build and install the module:
 python setup.py install
 ```
 
-Run unit test:
+Run unit tests:
 
 ```bash
-python tests
+python test
 ```
 
 Uninstall the module:
diff --git a/cython/python_solvespace/slvs.pyx b/cython/python_solvespace/slvs.pyx
index 02d84dad..931726be 100644
--- a/cython/python_solvespace/slvs.pyx
+++ b/cython/python_solvespace/slvs.pyx
@@ -801,8 +801,7 @@ cdef class SolverSystem:
         if wp is _E_FREE_IN_3D:
             raise ValueError("this is a 2d constraint")
         if e1.is_line_2d() and e2.is_line_2d():
-            self.add_constraint(SLVS_C_EQ_PT_LN_DISTANCES, wp, value, _E_NONE,
-                                _E_NONE, e1, e2)
+            self.add_constraint(SLVS_C_LENGTH_RATIO, wp, value, _E_NONE, _E_NONE, e1, e2)
         else:
             raise TypeError(f"unsupported entities: {e1}, {e2}, {wp}")