diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 866a822..e3aa284 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/pori_python/graphkb/util.py b/pori_python/graphkb/util.py
index bbc6776..85bfa51 100644
--- a/pori_python/graphkb/util.py
+++ b/pori_python/graphkb/util.py
@@ -125,6 +125,10 @@ def __init__(
         if username and password:
             self.login(username=username, password=password)
 
+        # URL check
+        if not self.url:
+            raise ValueError("URL to a GraphKB API instance is required")
+
     @property
     def load(self) -> Optional[float]:
         if self.first_request and self.last_request:
@@ -252,6 +256,7 @@ def login(self, username: str, password: str, pori_demo: bool = False) -> None:
 
         # KBDEV-1328. Alt. GraphKB login for GSC's PORI online demo
         if pori_demo or "pori-demo" in self.url:
+            logger.warning("login demo")
             self.login_demo()
 
         # use requests package directly to avoid recursion loop on login failure
diff --git a/pori_python/ipr/main.py b/pori_python/ipr/main.py
index 3194779..3a44a6d 100644
--- a/pori_python/ipr/main.py
+++ b/pori_python/ipr/main.py
@@ -419,16 +419,13 @@ def ipr_report(
     )
 
     # GKB CONNECTION
-    if graphkb_url:
-        logger.info(f"connecting to graphkb: {graphkb_url}")
-        graphkb_conn = GraphKBConnection(graphkb_url)
-    else:
-        graphkb_conn = GraphKBConnection()
-
-    gkb_user = graphkb_username if graphkb_username else username
-    gkb_pass = graphkb_password if graphkb_password else password
+    graphkb_conn = GraphKBConnection(graphkb_url) if graphkb_url else GraphKBConnection()
+    logger.info(f"connecting to graphkb: {graphkb_conn.url}")
 
-    graphkb_conn.login(gkb_user, gkb_pass)
+    graphkb_conn.login(
+        graphkb_username if graphkb_username else username,
+        graphkb_password if graphkb_password else password,
+    )
 
     # DISEASE
     # Disease term from bioapps; expected OncoTree term
@@ -502,7 +499,7 @@ def ipr_report(
 
     if include_ipr_variant_text:
         if not ipr_conn:
-            raise ValueError("ipr_url required to to include ipr variant text")
+            raise ValueError("ipr_url required to include ipr variant text")
         ipr_comments = get_ipr_analyst_comments(
             ipr_conn,
             gkb_matches,
diff --git a/pori_python/ipr/summary.py b/pori_python/ipr/summary.py
index c6d63b2..558dea1 100644
--- a/pori_python/ipr/summary.py
+++ b/pori_python/ipr/summary.py
@@ -305,16 +305,14 @@ def create_section_html(
         description = ". ".join(genes[0]["description"].split(". ")[:2])  # type: ignore
         sourceId = genes[0].get("sourceId", "")
 
-        output.append(
-            f"""
+        output.append(f"""
 <blockquote class="entrez_description" cite="{ENTREZ_GENE_URL}/{sourceId}">
     {description}.
 </blockquote>
 <p>
     {variants_text}
 </p>
-"""
-        )
+""")
 
     sentences_used: Set[str] = set()