Avoid error on py3.7 for docs

Author: pgleeson

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v3
     - uses: pre-commit/[email protected]
       with:
         extra_args: --hook-stage manual --all-files
@@ -28,9 +28,9 @@ jobs:
         runs-on: [ubuntu-latest, macos-latest, windows-latest]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Python  ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v3
       with:
         python-version:  ${{ matrix.python-version }}
 
@@ -89,8 +89,9 @@ jobs:
           python arrays.py -run   # test one example
 
     - name: Build Documentation
+      if: ${{ matrix.python-version != '3.7'}}
       run: |
-
+        # Note: contributors generation below fails on py 3.7 due to pandas version...
         pip install .[docs]
         cd docs
         python generate.py

docs/contributors.py

@@ -17,7 +17,7 @@
 len_per_info = len(per_info)
 
 empty_list = []
-max_tries = 3
+max_tries = 100
 
 for i in range(len_per_info):
     url = per_info[i]
@@ -39,34 +39,35 @@
             data = requests.get(url=url)
             max_tries -= 1
 
-df1 = pd.DataFrame(empty_list)
-df1["name"] = df1["name"].fillna(df1["login"])
-name = df1["name"]
-login = df1["login"]
-url_html = df1["html_url"]
-url_id = df1["id"]
+if len(empty_list) > 0:
+    df1 = pd.DataFrame(empty_list)
+    df1["name"] = df1["name"].fillna(df1["login"])
+    name = df1["name"]
+    login = df1["login"]
+    url_html = df1["html_url"]
+    url_id = df1["id"]
 
-login_html = list(zip(name, login, url_html))
-zip_dict = dict(zip(url_id, login_html))
+    login_html = list(zip(name, login, url_html))
+    zip_dict = dict(zip(url_id, login_html))
 
-file = "sphinx/source/api/Contributors.md"
-with open(file, "w") as f:
-    print(
-        textwrap.dedent(
-            """\
-        (Modelspec:contributors)=
+    file = "sphinx/source/api/Contributors.md"
+    with open(file, "w") as f:
+        print(
+            textwrap.dedent(
+                """\
+            (Modelspec:contributors)=
 
-        # Modelspec contributors
+            # Modelspec contributors
 
-        This page list names and Github profiles of contributors to Modelspec, listed in no particular order.
-        This page is generated periodically, most recently on {}.""".format(
-                date.today()
-            )
-        ),
-        file=f,
-    )
+            This page list names and Github profiles of contributors to Modelspec, listed in no particular order.
+            This page is generated periodically, most recently on {}.""".format(
+                    date.today()
+                )
+            ),
+            file=f,
+        )
 
-    print("", file=f)
+        print("", file=f)
 
-    for key, val in zip_dict.items():
-        print("- {} ([@{}]({}))".format(val[0], val[1], val[2]), file=f)
+        for key, val in zip_dict.items():
+            print("- {} ([@{}]({}))".format(val[0], val[1], val[2]), file=f)