diff --git a/kgx/cli/cli_utils.py b/kgx/cli/cli_utils.py
index 262e2e4b..8fac8480 100644
--- a/kgx/cli/cli_utils.py
+++ b/kgx/cli/cli_utils.py
@@ -383,6 +383,7 @@ def _process_knowledge_source(ksf: str, spec: str) -> Union[str, bool, Tuple]:
         if spec.lower() == "true":
             return True
         elif spec.lower() == "false":
+            print("returning false")
             return False
         else:
             # If a Tuple, expect a comma-delimited string?
@@ -520,6 +521,7 @@ def transform(
         pool.join()
         graphs = [r.get() for r in results]
     else:
+        print("no transform config")
         source_dict: Dict = {
             "input": {
                 "format": input_format,
@@ -555,7 +557,9 @@ def transform(
                             + "' are all rewrite specifications!"
                         )
                 else:
+                    print("not a tuple")
                     source_dict["input"][ksf] = ksf_spec
+                    print(source_dict)
 
         name = os.path.basename(inputs[0])
         transform_source(
diff --git a/kgx/source/json_source.py b/kgx/source/json_source.py
index baa637b5..adb49306 100644
--- a/kgx/source/json_source.py
+++ b/kgx/source/json_source.py
@@ -94,5 +94,5 @@ def read_edges(self, filename: str) -> Generator:
             FH = gzip.open(filename, "rb")
         else:
             FH = open(filename, "rb")
-        for e in ijson.items(FH, "edges.item"):
+        for e in ijson.items(FH, "edges.item", use_float=True):
             yield self.read_edge(e)
diff --git a/kgx/source/tsv_source.py b/kgx/source/tsv_source.py
index 2150d6ff..1842ec56 100644
--- a/kgx/source/tsv_source.py
+++ b/kgx/source/tsv_source.py
@@ -285,5 +285,5 @@ def read_edge(self, edge: Dict) -> Optional[Tuple]:
         key = generate_edge_key(s, edge_data["predicate"], o)
         self.edge_properties.update(list(edge_data.keys()))
         if self.check_edge_filter(edge_data):
-            self.node_properties.update(edge_data.keys())
+            self.edge_properties.update(edge_data.keys())
             return s, o, key, edge_data
diff --git a/kgx/utils/infores.py b/kgx/utils/infores.py
index 402fce72..201edb32 100644
--- a/kgx/utils/infores.py
+++ b/kgx/utils/infores.py
@@ -337,16 +337,13 @@ def set_provenance_map(self, kwargs: Dict):
         """
         if "default_provenance" in kwargs:
             self.default_provenance = kwargs.pop("default_provenance")
+            print(self.default_provenance)
 
-        # Biolink 2.0 knowledge_source 'knowledge_source' derived fields
-        ksf_found = False
+        ksf_found = []
         for ksf in knowledge_provenance_properties:
             if ksf in kwargs:
-                if not ksf_found:
-                    ksf_found = ksf  # save the first one found, for later
+                ksf_found.append(ksf)
                 ksf_value = kwargs.pop(ksf)
-                # Check if the ksf_value is a multi-valued catalog of patterns for a
-                # given knowledge graph field, indexed on each distinct regex pattern
                 if isinstance(ksf_value, dict):
                     for ksf_pattern in ksf_value.keys():
                         if ksf not in self.mapping:
@@ -357,7 +354,9 @@ def set_provenance_map(self, kwargs: Dict):
                         )
                 else:
                     ir = self.get_mapping(ksf)
+                    print(ir)
                     self.mapping[ksf] = ir.set_provenance_map_entry(ksf_value)
+                    print("mapping", self.mapping)
 
         # if none specified, add at least one generic 'knowledge_source'
         if not ksf_found:
@@ -368,9 +367,8 @@ def set_provenance_map(self, kwargs: Dict):
             else:
                 self.mapping["knowledge_source"] = ir.default(self.default_provenance)
 
-        # TODO: better to lobby the team to totally deprecated this, even for Nodes?
         if "provided_by" not in self.mapping:
-            self.mapping["provided_by"] = self.mapping[ksf_found]
+            self.mapping["provided_by"] = ir.default(self.default_provenance)
 
     def set_provenance(self, ksf: str, data: Dict):
         """
@@ -386,6 +384,7 @@ def set_provenance(self, ksf: str, data: Dict):
 
         """
         if ksf not in data.keys():
+            print(data.keys())
             if ksf in self.mapping and not isinstance(self.mapping[ksf], dict):
                 data[ksf] = self.mapping[ksf]()  # get default ksf value?
             else:
@@ -396,6 +395,7 @@ def set_provenance(self, ksf: str, data: Dict):
             # If data is s a non-string iterable
             # then, coerce into a simple list of sources
             if isinstance(data[ksf], (list, set, tuple)):
+                print("is a tuple???")
                 sources = list(data[ksf])
             else:
                 # Otherwise, just assumed to be a scalar
@@ -442,7 +442,7 @@ def set_node_provenance(self, node_data: Dict):
     def set_edge_provenance(self, edge_data: Dict):
         """
         Sets the node knowledge_source value for the current node. Edge knowledge_source properties
-        include the full Biolink 2.0 'knowledge_source' related properties.
+        include the 'knowledge_source' related properties.
 
         Parameters
         ----------
diff --git a/tests/unit/test_cli_utils.py b/tests/unit/test_cli_utils.py
index 835d79de..cfe6ce18 100644
--- a/tests/unit/test_cli_utils.py
+++ b/tests/unit/test_cli_utils.py
@@ -604,6 +604,7 @@ def test_transform_error():
     except ValueError:
         assert ValueError
 
+
 def test_transform_knowledge_source_suppression():
     """
     Transform graph from TSV to JSON.