More python 3.6 compat

metadata-ingestion/README.md

@@ -1,7 +1,7 @@
 # Install From Source
 ## Pre-Requisites
 - On MacOS: `brew install librdkafka`
-- On Debian/Ubuntu: `sudo apt install librdkafka-dev`
+- On Debian/Ubuntu: `sudo apt install librdkafka-dev python3-dev python3-venv`
 
 ## Set up python environment (requires python 3.7+)
 - python3 -m venv venv

metadata-ingestion/setup.py

@@ -50,7 +50,7 @@ setuptools.setup(
         "Environment :: MacOS X",
         "Topic :: Software Development",
     ],
-    python_requires=">=3.7",
+    python_requires=">=3.6",
     package_dir={"": "src"},
     packages=setuptools.find_packages(where='./src'),
     include_package_data=True,

metadata-ingestion/src/gometa/ingestion/source/kafka.py

@@ -3,7 +3,7 @@ from gometa.configuration import ConfigModel
 from gometa.configuration.kafka import KafkaConsumerConnectionConfig
 from gometa.ingestion.api.source import Source, Extractor, SourceReport
 from gometa.ingestion.api.source import WorkUnit
-from typing import Optional, Iterable, List, Dict
+from typing import Optional, Iterable, List, Dict, Any
 from dataclasses import dataclass, field
 import confluent_kafka
 from confluent_kafka.schema_registry.schema_registry_client import SchemaRegistryClient
@@ -54,7 +54,7 @@ class KafkaSourceReport(SourceReport):
 @dataclass
 class KafkaSource(Source):
     source_config: KafkaSourceConfig
-    topic_pattern: re.Pattern
+    topic_pattern: Any # actually re.Pattern
     consumer: confluent_kafka.Consumer
     report: KafkaSourceReport