fix: add missing installation of langchain-community package in som…

…e steps, fix some imports (#4)
sfeir-open-source · Jun 26, 2024 · ad8c347 · ad8c347
1 parent 47fa197
commit ad8c347
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Showing 5 changed files with 24 additions and 11 deletions.
diff --git a/steps/02-langchain-solution/solution.ipynb b/steps/02-langchain-solution/solution.ipynb
@@ -24,7 +24,20 @@
    },
    "outputs": [],
    "source": [
-    "pip install langchain"
+    "pip install langchain # contains core tools for building llm applications, chaining LLMs, prompt management, output parsers, etc\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "vscode": {
+     "languageId": "shellscript"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "pip install langchain-community # contains community-contributed extensions and utilities for LangChain, like Ollama, OpenAI LLMs, etc"
    ]
   },
   {
@@ -41,7 +54,7 @@
    "outputs": [],
    "source": [
     "# Use ollama to connect local llm\n",
-    "from langchain_community.llms import Ollama"
+    "from langchain_community.llms.ollama import Ollama"
    ]
   },
   {

diff --git a/steps/03-langchain-chain-solution/solution.ipynb b/steps/03-langchain-chain-solution/solution.ipynb
@@ -24,7 +24,7 @@
    },
    "outputs": [],
    "source": [
-    "pip install langchain"
+    "pip install langchain langchain-community"
    ]
   },
   {
@@ -40,7 +40,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from langchain_community.llms import Ollama\n",
+    "from langchain_community.llms.ollama import Ollama\n",
     "# pour le prompt de chat\n",
     "from langchain_core.prompts import PromptTemplate\n",
     "# pour le parser de sortie\n",
@@ -177,7 +177,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.0"
+   "version": "3.12.4"
   }
  },
  "nbformat": 4,

diff --git a/steps/04-langchain-retrieval-solution/solution.ipynb b/steps/04-langchain-retrieval-solution/solution.ipynb
@@ -24,7 +24,7 @@
    },
    "outputs": [],
    "source": [
-    "pip install langchain faiss-cpu beautifulsoup4"
+    "pip install langchain langchain-community faiss-cpu beautifulsoup4"
    ]
   },
   {
@@ -46,9 +46,9 @@
     "from langchain.text_splitter import RecursiveCharacterTextSplitter\n",
     "from langchain.chains.combine_documents import create_stuff_documents_chain\n",
     "from langchain_core.prompts import ChatPromptTemplate\n",
-    "from langchain_community.llms import Ollama\n",
+    "from langchain_community.llms.ollama import Ollama\n",
     "from langchain_core.documents import Document\n",
-    "from langchain.chains import create_retrieval_chain"
+    "from langchain.chains.retrieval import create_retrieval_chain"
    ]
   },
   {

diff --git a/steps/05-langchain-llms-solution/solution.ipynb b/steps/05-langchain-llms-solution/solution.ipynb
@@ -24,7 +24,7 @@
    },
    "outputs": [],
    "source": [
-    "pip install langchain"
+    "pip install langchain langchain-community"
    ]
   },
   {
@@ -40,7 +40,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from langchain_community.llms import Ollama\n",
+    "from langchain_community.llms.ollama import Ollama\n",
     "from langchain_core.prompts import PromptTemplate\n",
     "from langchain_core.output_parsers import StrOutputParser\n",
     "from langchain.callbacks.base import BaseCallbackHandler"

diff --git a/steps/06-langchain-assistant-solution/solution.ipynb b/steps/06-langchain-assistant-solution/solution.ipynb
@@ -24,7 +24,7 @@
    },
    "outputs": [],
    "source": [
-    "pip install langchain wikipedia faiss-cpu chromadb"
+    "pip install langchain langchain-community wikipedia faiss-cpu chromadb"
    ]
   },
   {