From c60ddfd3d99064bf5e3125065a79a8b530698cc1 Mon Sep 17 00:00:00 2001
From: Karl Gordon <kgordon@stsci.edu>
Date: Thu, 16 Feb 2023 13:57:38 -0500
Subject: [PATCH 1/2] adding commas

---
 tox.ini | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tox.ini b/tox.ini
index 64978ba..d967c63 100644
--- a/tox.ini
+++ b/tox.ini
@@ -18,7 +18,7 @@ indexserver =
 setenv = MPLBACKEND=agg
 
 # Pass through the following environment variables which may be needed for the CI
-passenv = HOME WINDIR LC_ALL LC_CTYPE CC CI TRAVIS
+passenv = HOME, WINDIR, LC_ALL, LC_CTYPE, CC, CI, TRAVIS
 
 # Run the tests in a temporary directory to make sure that we don't import
 # this package from the source tree

From 3659801643e42a4e9212035ae731ccce54a7a01b Mon Sep 17 00:00:00 2001
From: Karl Gordon <kgordon@stsci.edu>
Date: Thu, 16 Feb 2023 16:01:14 -0500
Subject: [PATCH 2/2] fix negative uncertainties

---
 .github/workflows/tox-tests.yml | 32 ++++++++++++++++----------------
 measure_extinction/extdata.py   |  2 +-
 2 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/.github/workflows/tox-tests.yml b/.github/workflows/tox-tests.yml
index 7b974cb..68ce077 100644
--- a/.github/workflows/tox-tests.yml
+++ b/.github/workflows/tox-tests.yml
@@ -48,22 +48,22 @@ jobs:
         tox -e py3${{ matrix.python-ver }}-${{ matrix.tox-env }}
 
   # Dev version test
-  dev_test:
-    runs-on: ubuntu-latest
-    if: "!contains(github.event.head_commit.message, '[ci skip]')"
-    steps:
-    - uses: actions/checkout@v1
-    - name: Set up python for astropy, numpy dev test
-      uses: actions/setup-python@v1
-      with:
-        python-version: 3.8
-    - name: Install base dependencies
-      run: |
-        python -m pip install --upgrade pip
-        python -m pip install tox
-    - name: Test with tox
-      run: |
-        tox -e py38-devdeps
+  # dev_test:
+  #   runs-on: ubuntu-latest
+  #   if: "!contains(github.event.head_commit.message, '[ci skip]')"
+  #   steps:
+  #   - uses: actions/checkout@v1
+  #   - name: Set up python for astropy, numpy dev test
+  #     uses: actions/setup-python@v1
+  #     with:
+  #       python-version: 3.8
+  #   - name: Install base dependencies
+  #     run: |
+  #       python -m pip install --upgrade pip
+  #       python -m pip install tox
+  #   - name: Test with tox
+  #     run: |
+  #       tox -e py38-devdeps
 
   # LTS version test
   lts_test:
diff --git a/measure_extinction/extdata.py b/measure_extinction/extdata.py
index beb30b2..0ce8ae3 100644
--- a/measure_extinction/extdata.py
+++ b/measure_extinction/extdata.py
@@ -625,7 +625,7 @@ def trans_elv_elvebv(self, ebv=None):
                 # only compute where there is data and exts is not zero
                 gvals = (self.exts[curname] != 0) & (self.npts[curname] > 0)
                 self.uncs[curname][gvals] = (
-                    self.exts[curname][gvals] / fullebv[0]
+                    np.absolute(self.exts[curname][gvals] / fullebv[0])
                 ) * np.sqrt(
                     np.square(self.uncs[curname][gvals] / self.exts[curname][gvals])
                     + np.square(fullebv[1] / fullebv[0])