From b743510ebbb6225b4778919df759bb4e2602cee1 Mon Sep 17 00:00:00 2001
From: Simonas <20096648+simjak@users.noreply.github.com>
Date: Wed, 13 Dec 2023 12:07:57 +0200
Subject: [PATCH] linting

---
 coverage.xml                      | 80 +++++++++++++++++--------------
 semantic_router/hybrid_layer.py   |  6 ++-
 semantic_router/utils/__init__.py |  0
 3 files changed, 47 insertions(+), 39 deletions(-)
 create mode 100644 semantic_router/utils/__init__.py

diff --git a/coverage.xml b/coverage.xml
index 612cac46..755c321e 100644
--- a/coverage.xml
+++ b/coverage.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" ?>
-<coverage version="7.3.2" timestamp="1702461637601" lines-valid="315" lines-covered="315" line-rate="1" branches-covered="0" branches-valid="0" branch-rate="0" complexity="0">
+<coverage version="7.3.2" timestamp="1702462041712" lines-valid="317" lines-covered="317" line-rate="1" branches-covered="0" branches-valid="0" branch-rate="0" complexity="0">
 	<!-- Generated by coverage.py: https://coverage.readthedocs.io/en/7.3.2 -->
 	<!-- Based on https://raw.githubusercontent.com/cobertura/web/master/htdocs/xml/coverage-04.dtd -->
 	<sources>
@@ -22,88 +22,90 @@
 						<line number="1" hits="1"/>
 						<line number="2" hits="1"/>
 						<line number="3" hits="1"/>
-						<line number="5" hits="1"/>
-						<line number="11" hits="1"/>
-						<line number="14" hits="1"/>
+						<line number="4" hits="1"/>
+						<line number="6" hits="1"/>
+						<line number="12" hits="1"/>
 						<line number="15" hits="1"/>
 						<line number="16" hits="1"/>
 						<line number="17" hits="1"/>
 						<line number="18" hits="1"/>
-						<line number="20" hits="1"/>
-						<line number="23" hits="1"/>
+						<line number="19" hits="1"/>
+						<line number="21" hits="1"/>
 						<line number="24" hits="1"/>
 						<line number="25" hits="1"/>
-						<line number="27" hits="1"/>
+						<line number="26" hits="1"/>
 						<line number="28" hits="1"/>
 						<line number="29" hits="1"/>
 						<line number="30" hits="1"/>
-						<line number="32" hits="1"/>
-						<line number="34" hits="1"/>
-						<line number="36" hits="1"/>
+						<line number="31" hits="1"/>
+						<line number="33" hits="1"/>
+						<line number="35" hits="1"/>
 						<line number="37" hits="1"/>
-						<line number="39" hits="1"/>
+						<line number="38" hits="1"/>
 						<line number="40" hits="1"/>
 						<line number="41" hits="1"/>
 						<line number="42" hits="1"/>
 						<line number="43" hits="1"/>
 						<line number="44" hits="1"/>
-						<line number="46" hits="1"/>
-						<line number="48" hits="1"/>
+						<line number="45" hits="1"/>
+						<line number="47" hits="1"/>
 						<line number="49" hits="1"/>
-						<line number="51" hits="1"/>
-						<line number="53" hits="1"/>
+						<line number="50" hits="1"/>
+						<line number="52" hits="1"/>
 						<line number="54" hits="1"/>
-						<line number="59" hits="1"/>
+						<line number="55" hits="1"/>
 						<line number="60" hits="1"/>
 						<line number="61" hits="1"/>
-						<line number="63" hits="1"/>
+						<line number="62" hits="1"/>
 						<line number="64" hits="1"/>
 						<line number="65" hits="1"/>
-						<line number="69" hits="1"/>
+						<line number="66" hits="1"/>
 						<line number="70" hits="1"/>
-						<line number="72" hits="1"/>
-						<line number="74" hits="1"/>
+						<line number="71" hits="1"/>
+						<line number="73" hits="1"/>
 						<line number="75" hits="1"/>
-						<line number="77" hits="1"/>
-						<line number="79" hits="1"/>
-						<line number="84" hits="1"/>
+						<line number="76" hits="1"/>
+						<line number="78" hits="1"/>
+						<line number="80" hits="1"/>
 						<line number="85" hits="1"/>
-						<line number="87" hits="1"/>
+						<line number="86" hits="1"/>
 						<line number="88" hits="1"/>
-						<line number="90" hits="1"/>
-						<line number="92" hits="1"/>
-						<line number="94" hits="1"/>
+						<line number="89" hits="1"/>
+						<line number="91" hits="1"/>
+						<line number="93" hits="1"/>
 						<line number="95" hits="1"/>
 						<line number="96" hits="1"/>
-						<line number="98" hits="1"/>
+						<line number="97" hits="1"/>
 						<line number="99" hits="1"/>
 						<line number="100" hits="1"/>
 						<line number="101" hits="1"/>
-						<line number="103" hits="1"/>
+						<line number="102" hits="1"/>
 						<line number="104" hits="1"/>
 						<line number="105" hits="1"/>
-						<line number="107" hits="1"/>
+						<line number="106" hits="1"/>
 						<line number="108" hits="1"/>
-						<line number="110" hits="1"/>
+						<line number="109" hits="1"/>
+						<line number="111" hits="1"/>
 						<line number="112" hits="1"/>
 						<line number="114" hits="1"/>
-						<line number="115" hits="1"/>
 						<line number="116" hits="1"/>
+						<line number="117" hits="1"/>
 						<line number="118" hits="1"/>
-						<line number="119" hits="1"/>
 						<line number="120" hits="1"/>
 						<line number="121" hits="1"/>
 						<line number="122" hits="1"/>
 						<line number="123" hits="1"/>
 						<line number="124" hits="1"/>
+						<line number="125" hits="1"/>
 						<line number="126" hits="1"/>
-						<line number="129" hits="1"/>
-						<line number="130" hits="1"/>
-						<line number="133" hits="1"/>
+						<line number="128" hits="1"/>
+						<line number="131" hits="1"/>
+						<line number="132" hits="1"/>
 						<line number="135" hits="1"/>
-						<line number="136" hits="1"/>
 						<line number="137" hits="1"/>
+						<line number="138" hits="1"/>
 						<line number="139" hits="1"/>
+						<line number="141" hits="1"/>
 					</lines>
 				</class>
 				<class name="layer.py" filename="layer.py" complexity="0" line-rate="1" branch-rate="0">
@@ -361,6 +363,10 @@
 		</package>
 		<package name="utils" line-rate="1" branch-rate="0" complexity="0">
 			<classes>
+				<class name="__init__.py" filename="utils/__init__.py" complexity="0" line-rate="1" branch-rate="0">
+					<methods/>
+					<lines/>
+				</class>
 				<class name="logger.py" filename="utils/logger.py" complexity="0" line-rate="1" branch-rate="0">
 					<methods/>
 					<lines>
diff --git a/semantic_router/hybrid_layer.py b/semantic_router/hybrid_layer.py
index 3e9508d6..a0452a31 100644
--- a/semantic_router/hybrid_layer.py
+++ b/semantic_router/hybrid_layer.py
@@ -1,6 +1,7 @@
 import numpy as np
 from numpy.linalg import norm
 from tqdm.auto import tqdm
+from semantic_router.utils.logger import logger
 
 from semantic_router.encoders import (
     BaseEncoder,
@@ -89,7 +90,7 @@ class HybridRouteLayer:
         # convex scaling
         xq_d, xq_s = self._convex_scaling(xq_d, xq_s)
 
-        if self.index is not None:
+        if self.index is not None and self.sparse_index is not None:
             # calculate dense vec similarity
             index_norm = norm(self.index, axis=1)
             xq_d_norm = norm(xq_d.T)
@@ -107,9 +108,10 @@ class HybridRouteLayer:
             routes = self.categories[idx] if self.categories is not None else []
             return [{"route": d, "score": s.item()} for d, s in zip(routes, scores)]
         else:
+            logger.warning("No index found. Please add routes to the layer.")
             return []
 
-    def _convex_scaling(self, dense: list[float], sparse: list[float]):
+    def _convex_scaling(self, dense: np.ndarray, sparse: np.ndarray):
         # scale sparse and dense vecs
         dense = np.array(dense) * self.alpha
         sparse = np.array(sparse) * (1 - self.alpha)
diff --git a/semantic_router/utils/__init__.py b/semantic_router/utils/__init__.py
new file mode 100644
index 00000000..e69de29b
-- 
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